Connected with light | Light and crystal, Baccarat Hotel, New York, USA | Lighting design vision, Interview with The Challenge finalists, PLDC 2015 |Lines of light, Expo 2015 bridges, Milan, Italy | Sustainable office building, The Edge headquarter, Amsterdam, NL | LED-Based indoor positioning, Carrefour Euralille, Lille, France | Making history, Boerhaave museum, Leiden, NL | Hospitals embrace LED 100%, Nisa Hospitals, Spain | Cities of light, interview with Vincent Laforet, photographer of the AIR project