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The Viewfinder Photography Gallery, together with a team of volunteers, has created the Thames Trail: an interactive photowalk with an accompanying phone app that encourages the local community and visitors to explore the industrial, shipbuilding and trading heritage of Greenwich, from its 19th century heyday to the present. The resources were published in 2013 and will be available online until at least 2018. The project has been funded by a £16,400 grant from the Heritage Lottery Fund (HLF). The photowalk begins at the Cutty Sark and follows the riverside patah to the O2 Arena. Many wharves, jetties and other signs of the industrial past remain, often unknown and unnoticed, yet they tell an important story about the river and Greenwich itself. Archive material from Greenwich Heritage Centre and National Maritime Museum, including paintings, photographs and models, as well as specially commissioned interviews with local historians and residents, enable participants to imagine what the area was once like, to see how it has changed and how it continues to evolve. The Thames Trail documents the evolving nature of the Greenwich riverside. Regeneration and development are rapidly changing Greenwich’s waterfront and shifting it from an industrial to residential and commercial area. Take your own photographs of the riverscape as it is today, and have these photographs published on the Viewfinder’s website and Thames Trail Flickr photostream.

Volunteers developing the Thames Trail smartphone app. Photograph by Gordana Johnson, December 2012. See for more photographs taken on the Thames Trail route



ON THE ROUTE At any path junction, take the riverside option. If your smartphone battery is unreliable and you’re in a group, consider using one phone for a section of the route and then swapping to another phone to preserve battery life. ROUTE CLOSURES The footpath is subject to temporary closures — please use the map to find alternative routes, but note that the Viewfinder Photography Gallery is not responsible for your becoming lost or for any inconvenience caused by route closure. WHAT TO BRING AND WEAR Bring your fully charged smartphone and a set of headphones. If you have a camera, bring that too — if it is GPS enabled, turn that feature on. Bring a drink and refreshments. Wear comfortable and waterproof walking shoes. WALK LENGTH You should allow at least 1 hour and 30 minutes to complete this route. Without stopping, the route takes approx. 45 minutes to complete. Overall, the audio files run for 18 minutes. How long you take stopping to look at images on the app and to take your own photographs is up to you! TOILETS There are public toilets at the start of the route, at Discover Greenwich and at the entrance to Cutty Sark Gardens. Please note that the only toilet breaks once on the route are in pubs whose toilets are only for customers’ use (the Trafalgar Tavern and the Cutty Sark pub). There are public toilets at the end of the route, in the O2 Arena. There are also numerous restaurants and bars in the O2 Arena.


TO PUBLISH YOUR PHOTOGRAPHS Email your photographs to Your photographs will be automically published on the Thames Trail Flickr photostream and on the Viewfinder’s website. The email subject header will be the photograph’s title. Any text in the email itself will be published as the photograph’s caption, so please remove any personal information such as your email signature before sending the email. You can attach more than one photograph with each email.




THE TRAIL 1. INTRODUCTION Local historian Julian Watson introduces the Thames Trail route: “Greenwich came into being because of the river and because of its closeness to London. The Thames was its main highway. Access to the town was mainly by water using the multitude of stairs and landing places on its very long river frontage. It was a fairly easy journey from London by boat using the power of the tides. “Within recent memory, the riverside was full of very busy working wharves with all sorts of craft being loaded or unloaded, repaired or built. Some names still record a much earlier use of the riverside: Wood Wharf, Ballast Quay and Billingsgate Dock. “Greenwich’s many wharves, stairs and docks are little used today as most craft moor at Greenwich Pier. However, the Prior Fleet of barges still brings sand and gravel from Essex to their wharf in Greenwich. “The Greenwich Peninsula, a vast low-lying area of marshland of some 600 acres, was for centuries a remote and tranquil pastureland. In the Victorian period it was overwhelmed by industrial development. The new industries, sited far from the town, were very innovative but several made dangerous or noxious products. Dominating the whole peninsula was the giant and aweinspiring East Greenwich Gasworks. A community developed there with shops, pubs, a church and a school. These industries later closed, the people who lived there moved away and the area became derelict. The opening of the Millennium Dome, now the O2 Arena, on the gasworks site, and the building of North Greenwich Station has breathed life back into the Peninsula, creating shops, houses, businesses and the infrastructure for a new community.”


2. GREENWICH PIER The painting (right) shows the stretch of Greenwich riverside that you will walk along today, as it was in Victorian times. The view is of the heavily industrialised Thames, with the Old Royal Naval College in the distance and the sweep of the river from East Greenwich to Deptford. The river is busy with traditional lighters as shown in the foreground, while on the right there is a three-masted barque and a steamer heading into London. The warehouses and factory chimneys of the Isle of Dogs close the view on the far right. 3. OLD ROYAL NAVAL COLLEGE Ben Johnson, Technical Director of Historic UK, tells us about a factory which stood at this site: “On the right is the University of Greenwich and the Royal Naval College. At one time thi s was the Palace of Placentia, which was the Tudor’s favourite royal residence, but during the Civil War this fell and Cromwell turned this into a biscuit factory which ran for decades. It’s probably one of the first examples of industrial use in the Greenwich area.” Local artist Peter Kent outlines what we can see here: “We’re looking across to where ships used to be built on the Isle of Dogs and also on the Greenwich peninsula to our right towards the Dome. Quite famous ships were built from sites there and the trade still carries on — if we look to the right this is where the pleasure craft, the larger pleasure craft, are maintained for the Thames. “Every year you have to have an MOT for a boat, you’ve got to have everything working. One way of doing that is to get the ship in the dry, away from the sea and what have you and to get under the ship and check everything is ready before the inspector comes round. So this is an essential part, this is a working

Upper Shipping in Greenwich Reach, William Lionel Wyllie, c.1890. Image courtesy National Maritime Museum  Lower Julian Rouse, April 2013. See for more photographs taken on the Thames Trail route

wharf and they are actually going to relocate this wharf a little bit further downstream to a new structure down there — that big black shed with the yellow buoys — because this land, commercial land, is very valuable, but it is so valuable, it has forced industry to move away. “But the trouble is that these industrial sites, because industry has decreased so rapidly in this part of London, the land has now been converted into residential developments.”

4. BARGES Local resident Alan Phinbow reflects on how the general environment of the Greenwich riverscape has changed: “It was always at that time very busy — lots of river traffic, working river traffic. And obviously it’s changed a lot over the years, hasn’t it? It’s not so much an industrial-type working river, it’s now more of a pleasure craft working environment now, isn’t it? “They were tug type boats and barges. You see the tug boats every now and again — when you have a liner or a warship come up, they will tow the vessels in. “Way back when, they would pull long strings of barges. You could have two or three together or even more than that — they’d all be tied together and the tug boat would chug upriver or downriver.”





5. THE TRAFALGAR TAVERN / CRANE STREET This photograph (top left) was taken shortly before the large Crown and Sceptre pub and its smaller neighbour, the Three Crowns, were demolished in 1936 — a last view of a neglected but busy waterfront. By 1937, new industrial buildings had replaced the two pubs. The Yacht Tavern is in the foreground. The great bulk of Greenwich Power Station dominates the scene. Helen Johnston, a volunteer manager for the Thames Discovery Programme, shares her archaeological knowledge about the Crane Street foreshore: “The area of Crane Street and Highbridge Wharf in Greenwich in the 19th century was quite a working class area — watermen lived here, fishermen. Along the foreshore here there were a lot of pubs — more than there are today. There are two pubs today, but in the 19th century there were four or five, all along the foreshore of the river. “All of the people who lived here, who worked on the river, their barges would be tied up along the foreshore. We have still got the remains of the mooring features along the foreshore that you can see: a lot of timber posts that would have been parts of jetties, and there is also a lot of anchors along this bit of the foreshore and mooring chains which would have been left behind from barges and boats that would have been tied up there. “Also along the foreshore here there is a grid iron which is a square of parallel timbers, large timbers, that were arranged in a grid which would be used for resting the barges on at low tide.”

Upper Greenwich Riverside, including the “Two Crowns”, Anonymous, 1956. Image © Lewisham Local History and Archives Collection, courtesy of Greenwich Heritage Centre  Lower Photograph by Barry White, April 2013 See for more photographs taken on the Thames Trail route


6. POWER STATION The Greenwich Power Station (top right), built in 1906 to provide power for London’s trams, now operates as a back-up station for the London Underground. The massive coaling pier was from the time when the power station was coal fired and all its coal came by boat and was unloaded at this pier. The pier is a massive and dramatic industrial archaeology artefact. 7. CUTTY SARK PUB / BALLAST QUAY Greenwich resident Penny Matheson describes how the Cutty Sark pub has changed: “We used to go to the Cutty Sark pub which is on Ballast Quay. “It was very much not a posh pub then, it had a piano which people played in the evening. It was very scruffy but very jolly because it was actually the pub for the workers who worked in the power station, which was still very much in use. “I mean now they still do use it occasionally, but I have never seen anybody in overalls going into the pub there.”

Upper A Greenwich Scrapyard: Dreams of Past Glories. Richard Fozard, 1988. Image courtesy of National Maritime Museum  Lower Anchor Iron Wharf, in front of the Cutty Sark pub. Photograph by Gordana Johnson, April 2013 See for more photographs of the Thames Trail being developed





8. LOVELLS WHARF The photograph Lovells Wharf (left) shows a fully operational Lovell’s Wharf in the 1960s. The river is crammed with lighters and the view towards Blackwall Point is wholly industrial as was the riverside walk. Ian Nairn, the architectural historian, said of it in 1966: ‘God preserve it from the prettifiers.’ Local historian Julian Watson recalls the cranes by Lovells Wharf: “Lovells Wharf was a working wharf until fairly recently. It had a beautiful line of very tall cranes for unloading the coastal cargo craft that came and moored here. I think they came from Rotterdam and came all the way up the river. It was very much a working wharf with a riverside path in front of it. The cranes have all gone, it would have been nice to have kept one or two — they’ves all gone and have been replaced by a garden. This whole area has changed now from industrial to housing, apartments that have a wonderful view up and down the river.” Local resident David Riddle tells us more: “A lot of the roads in that area are named after towns in the North East of England because of all the coal that used to be imported for the power station. They used to have little specialist boats that came down the East coast from the North East coalfields, and then they used to come up the river and then dump off their goods. They couldn’t go back completely empty so they had to be ballasted up to avoid them being tipped over in the journey back home, so they used to take gravel up to Newcastle.”

Upper Lovells Wharf, Stanley Devon, 1969. Image courtesy of Greenwich Heritage Centre  Lower Lovells Wharf, a new mega housing development at Lovells Wharf viewed from Banning Street. Photograph by Gordana Johnson, March 2013 See for photographs taken on the Thames Trail route


9. PIPERS WHARF The painting (top right) depicts the view (looking West towards Greenwich) from Pipers Wharf as it was when boats were repaired here. The yard has moved on, but there are still remnants of the trade here and the view into Greenwich remains largely the same. In the painting, red hulled tugs await repair. Looming above the yellow crane in the mid-distance are two of the four imposing chimneys and the brick facade of Greenwich Power Station. Below, reaching out into the Thames are the grey Doric-style cast-iron columns of the coaling pier. In the far distance, you can see a glimpse of the bow windows of the Trafalgar Tavern and beyond, the elegant twin domes and stately riverside buildings of Old Royal Naval College.

Upper Pipers Wharf, Terry Scales, 1985. Image courtesy of Terry Scales. Lower Pipers Wharf Beach (Grot’s Beach), photograph by Gordana Johnson, March 2013





10. ENDERBY’S WHARF / CABLING WORKS Local artist Ann Dingsdale’s father was a cable inspector: “This is a photo of my father George Thomas at work as part of his work as a cable inspector at Siemens. He wrote on the back of it: ‘Telephone cable to connect the north and south island of New Zealand. The cable was made in several lengths and coiled in that state in a ship’s hold. When it got to New Zealand it was coiled out of the ship’s hold into its final position in New Zealand. We were producers of the cable, overseeing its laying and jointing for the New Zealand government.’ “But in fact my father didn’t go for that trip, but he did get a chance to lay a cable in the Orkney Islands, which he thoroughly enjoyed.”

Upper Untitled (cable inspectors, including George Thomas). Photographer unknown, c.1943. Image courtesy Ann Dingsdale. Lower Enderby’s Wharf with cable loading gear. Photograph by Gordana Johnson, March 2013. See for more photographs taken on the Thames Trail route.


11. MORDEN WHARF Greenwich artist Peter Kent describes watching silos being demolished at Morden Wharf: “One of the warehouses is now bearing a very big new sign morden wharf following the demolition of the refinery, where these great silos were destroyed within themselves — they had to be demolished, or were required to be demolished, and from my riverside windows I was fascinated to see how this work was carried on. They managed to clear this industrial site completely leaving it to a bare site — open, clean and ready for development.” Morden Wharf takes its name from Morden College which owns a lot of land on the Peninsula and in Greenwich. Morden College, an almshouse in the southeast corner of Blackheath, was set up by Sir John Morden in 1695 and was built in the style of Sir Christopher Wren. Morden endowed his almshouse with extensive lands in Greenwich including many fields on the Peninsula. Tunnel Refineries Glucose Works was the last industry to use the wharf and they created the great concrete silos, which have now been demolished. The site awaits development.

Upper Photograph by Julian Rouse, April 2013, taken from Primrose Pier  Lower Photograph by Gordana Johnson, April 2013: “Morden Wharf and the river walls that protect the bank from the tidal force of the river. The walls originated in the Middle Ages but have been constantly repaired. The scene is viewed from Enderby’s Wharf.” See for photographs taken on the Thames Trail route





12. MOLASSINE MEAL WORKS Local resident David Riddle describes the smell from the area’s industrial activity: “You probably don’t notice it at all now, but Greenwich was famed for ‘the Greenwich pong’ as it was called. They used to make dog biscuits in this factory, and so it was all the molasses. Greenwich had this trademark smell that obviously came here to Greenwich itself when the wind was in a certain direction.”

13. VIEW OF THE WATERSIDE Ernest Harington’s The Waterside, Greenwich (below left) shows us the river to the east of the Old Royal Naval College and power station. The cranes and Victorian standard lamps are no longer here, but the occasional old barge can still be seen on the foreshore.

Upper Primrose Pier (used by the Molassine Meal Works). Photograph by Gordana Johnson, April 2013. Lower Photograph by Julian Rouse, April 2013  Lower The Waterside, Greenwich, Ernest Harington, date unknown. Image courtesy of Greenwich Heritage Centre. See for more photographs of the Thames Trail being developed.


14. EAST GREENWICH GAS WORKS Perhaps the most dramatic change along this stretch of river is seen as you approach the Greenwich peninsula. The East Greenwich Gas Works were built on what was then marshland. A solitary gasholder from 1886 is the only reminder now of these gas works, which closed in the late 1970s. The area then remained wasteland until redevelopment as the site of the Millennium Dome, now the O2. David Riddle talks about the peninsula, where the O2 now stands: “The peninsula was pretty much derelict land — it was old gas works and steel works and power station land which had been cleared of most of the buildings. I think there were one or two which remained up until 1996 when they started on the O2 site redevelopment. “Nobody visited it — it was a total waste of a magnificent space really. A lot of the sort of external bits and pieces that were associated with the Dome got demolished — what was billed as the largest McDonalds in Europe, or even in the world.”

Upper Greenwich Marsh, Anonymous, 16 February 1949. Image courtesy of Greenwich Heritage Centre  Lower Photograph by Julian Rouse, April 2013 See for more photographs taken on the Thames Trail route





15. LEWIS & STOCKWELL SHIPYARD This is a half hull model of a lighter, an unpowered cargo vessel (top left). Lighters are flat-bottomed barges that were powered by oarsmen. They were a familiar sight along this stretch of riverside, as they were used to transfer cargo to and from ships. 16. GREENWICH PENINSULA: INDUSTRIAL POLLUTION David Riddle describes the impact of industrial pollution, “They started work on the actual soil, the actual land — because so much of it was polluted from industrial work, various industrial works that had gone on — the remnants of the gas making process, that had leached into the ground, soaked into the ground. They actually took out something like half a metre of soil over the whole area of that peninsula and then they put in an impermeable layer and then filled it with clean soil on top.”

Above Cargo vessel, Lighter, H. A. Oliver, c.1913. Image courtesy National Maritime Museum  Lower Wasteland before Victoria Deep Water Terminal. Photograph by Gordana Johnson, April 2013 See for more photographs of the Thames Trail being developed


17. RIVER DANGERS Barry White has lived in Greenwich since the 1960s — he recalls the dangers of the Greenwich riverside: “The river was a very dangerous place in those days because of all the work and the industry that was on it and the boats and the barges. “The River Police used to come round to the schools — junior schools mostly — and show photographs of the kind of things that used to happen on the river. “They didn’t use to show nasty pictures of people drowning or with nasty injuries, but they showed you the items that might be dangerous — the barges for instance were free floating and they would all rock and float at different rates. “If you got caught between the barges you were gone really because they’d just crush you to pieces. “And also if you drank any of the river it was a terrible dirty river so you could suffer with that, with getting some serious illnesses from swallowing the water. “So in other words they were trying to put us off going round the river so that they wouldn’t have the horrible job of getting children out of the river in a terrible condition. “But of course when you’re a child you don’t think about those sort of things I suppose, and it’s an adventure. “The river wasn’t that accessible. Too much industry, too much going on and you were really asking for trouble if you went down by the river.”

Upper The river walls under the Alcatel building at Enderby’s Wharf. Photograph by Gordana Johnson, April 2013, “The walls date back to medieval times and were built to protect the bank from the tidal force of the river. They have been constantly repaired.”  Lower Photograph by Julian Rouse, April 2013. See for photographs taken on the Thames Trail route





18. SLICE OF REALITY SCULPTURE Greenwich resident Terry Scales worked as a stevedore — he describes what this work involved: “Essentially it was stowing cargo, so that the ship remained stable when it was at sea. There was a wrong way and a right way of doing it and obviously if the cargo was stowed badly, the ship would list in a storm and of course if it was stowed rightly it would remain upright. “The work would come from the hold of the ship in large planks. Planks of wood would go into barges and be stacked in rows. The men would build what was known as a bridge, which was a sort of rough planking affair in the middle of the barge. Sets of timber would be landed onto the bridge and then displaced all over the barge so they would form a safe pattern parallel to the length of the barge. “There were two sorts of crane. There was the steam winch which the ships had — often one was taking timber from a Russian ship or a Norwegian ship which worked on a steam winch, and that would be taking timber over the side of the ship and dropping it down into the barge, and it worked with a hiss and a hiss all the time. Very exciting! It juddered a lot, but the other thing with a crane, it was much more perfected performance, where you could sort of land a bale of hay on a sixpence; you know, very accurate. But quite often one was working under a steam winch and this was part of the ship — it was essentially so that ships could discharge in the middle of a river rather than go to a quayside which might in fact be very busy and blocked with other ships so they couldn’t discharge their cargo overside. “It was quite a dangerous occupation. There was one ward in St Mary’s Hospital which had wounded stevedores, lighter men and dockers — totally full up with people who worked on the river. But one mustn’t make the mistake of thinking that all the dockers and stevedores were sort of brawny he-men — many of them had left other professions because of the big money that one could earn. They were all attracted by the high wages that it was possible in those days to earn

if you worked hard and took the risks. It paid very well, about five to six pounds a day, so at the end of one week, you were taking home a pay packet of £25. That was twice the national average, so in spite of the dangers and hard work, it was quite lucrative.”

19. CHANGE FOR WORKERS Nearing the end of this Thames Trail photowalk, with the Thames Barrier in view, we are surrounded by some of the river’s remaining industry. We can reflect on how different the landscape would seem today to this worker, pictured in 1952 (top left). How much longer before it all disappears? 20. CONCLUSION Local historian Julian Watson reflects, “The Greenwich riverside is changing fast and already looks very different with many new homes built or planned along its frontage. “There is a cable car crossing and fast river buses to carry commuters. “A large cruise liner terminal will be at Enderby Wharf where, in 1866, the first transatlantic telegraph cable was made. It’s still the base for a company making fibre optic cables. “And, of course, thousands and thousands of tourists continue to arrive by boat at Greenwich Pier to visit all the attractions of the World Heritage Site.”

Upper Albert Payne, Anonymous, July 1952. Image courtesy of Greenwich Heritage Centre. Lower Photograph by Julian Rouse, April 2013. See for more photographs taken on the Thames Trail route


IF YOU’D LIKE TO KEEP WALKING 500m further along the riverside path is the Greenwich Peninsula Ecology Park (free entry). After 2.5 miles you will reach the Thames Barrier (the world’s secondlargest movable flood barrier), approx. 1 hour’s walk. Additional audio files for this walk are available to download from the Viewfinder’s website, including reflections on the Yacht Club, Siemens Factory, Bugsby’s Wharf, Phoenix Wharf, Hope & Anchor pub and more about the East Greenwich Gasworks. FIND OUT MORE See further resources (including bonus audio material from the O2 Arena to the Thames Barrier) on www. See more photographs taken along this Thames Trail route at: Visit Greenwich Heritage Centre, Artillery Square, Royal Arsenal, Woolwich SE18 4DX / 020 8854 2452 / Visit National Maritime Museum, Romney Rd, Greenwich SE10 9NF 020 8858 4422 / For more oral histories along this route, see See the East Greenwich & Peninsula History Map, produced by Rich Sylvester, which is available from the Greenwich Heritage Centre Heritage Lottery Fund,

PLAN YOUR ONWARD JOURNEY You can plan your onward journey on the Transport for London website: There is a range of public transport options from the O2 Arena, including: By Underground Take the Jubilee Line from North Greenwich tube station By Boat Thames Clipper riverboats towards Royal Arsenal Woolwich Pier or towards Greenwich Pier, Canary Wharf, London Bridge, Bankside, Blackfriars, Embankment, London Eye, Millbank and St George Wharf Pier, Vauxhall. travelling-information-for-north-greenwich-pier.html By Cable Car The Emirates Air Line cable car to the Royal Docks. Usual opening times: 7am to 9pm Monday to Friday, 8am to 9pm Saturday, 9am to 9pm Sunday By Bus Buses leave from outside North Greenwich Tube Station: 108 towards Lewisham/Stratford 129 towards Greenwich 132 towards Bexleyheath 161 towards Chislehurst 188 towards Euston 422 towards Bexleyheath 472 towards Thamesmead 486 towards Bexleyheath Download a PDF of local bus information from the Transport for London website: pdf/northgreenwich-2191.pdf

Upper Photograph by Alan Phinbow, January 1998. See thamestrailgreenwich for more photographs taken on the Thames Trail route.  Lower Recording the Slipway. Photograph by N. Cohen. Image courtesy of Thames Discover Programme.

ACKNOWLEDGEMENTS Project management Louise Downham from Viewfinder Photography Gallery, with the support of Alex McInally Volunteers This project would not have been possible without the incredible input from the team of all the Thames Trail volunteers, in particular: Jan Flavell, Gordana Johnson, Alan Phinbow, Gary Noakes, Caroline Randall, Julie Ricketts, Julian Watson and Barry White. Project partners The Viewfinder expresses its sincere gratitude to our Thames Trail project partners, including: · Susan Buhr & Jonathan Partington, Greenwich Heritage Centre · Anthony Cross, Greenwich Historical Society · Paul Green, Avant-Gardening · Ben Johnson, Historic UK · Fiona Lucas, Charter School · Pieter van der Merwe, National Maritime Museum · Mary Mills, Greenwich Industrial Heritage Society Interviewees The Viewfinder is indebted to those who shared their memories of the Greenwich riverside for this project: Ann Dingsdale, Helen Johnston, Ben Johnson, Peter Kent, Penny Matheson, Alan Phinbow, David Riddle, Terry Scales, Julian Watson, Barry White and Eliott Wragg. The wonderful technical team Sound editing: Adele Fletcher Voiceover: Holly Blair Design by Victoria Forrest App development: Cluster Publishing Programming: Digitalists Interactive Agency


LEGAL BITS Please note that the Viewfinder Photography Gallery is not responsible for any accident or injury that may occur while on the Thames Trail, including damage to your camera or equipment. The footpath is subject to temporary closures — please use the map to find alternative routes, but note that the Viewfinder Photography Gallery is not responsible for your becoming lost or for any inconvenience caused by route closure. All information is provided in good faith but the Viewfinder cannot guarantee the accuracy of information provided by third parties. All copyright permissions have been secured for the use of images and audio files on this app and digital publication — do not attempt to download, distribute or share these files as this will be a violation of copyright. The Viewfinder cannot accept responsibility for any copyright violation of images by third parties. The Thames Trail app and accompanying publications (including the smartphone app concept, content and format) are © Viewfinder Photography Gallery Ltd.


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Viewfinder's Thames Trail: digital booklet  

The Viewfinder recently created the Thames Trail: an interactive photowalk with an accompanying phone app that encourages the local communit...

Viewfinder's Thames Trail: digital booklet  

The Viewfinder recently created the Thames Trail: an interactive photowalk with an accompanying phone app that encourages the local communit...