River Thames â€˘ The River Thames goes across London .
Houses of Parliament â€˘ Are 490 years old. There are 1200 rooms.
National Gallery â€˘ Is 275 years old and there are about 60 rooms.
Buckingham Palace â€˘ Is 300 years old. There are more than 600 rooms and 78 bathrooms.
BY Sofia Ardid, Letux