From Tower Bridge to Battersea Power Station, Big Ben to the Old Bailey - embark on a thrilling tour of the hidden interiors of some of London's most iconic buildings. Unseen London takes you deep into the boiler room of the city's infrastructure, into the changing rooms of our greatest temples of sport, into the heart of the Establishment, and behind the scenes at the most opulent buildings in the Square Mile. Photographs of these extraordinary buildings are accompanied by thoughtful text, which tells the story of how each of these places was created, how they are used, and what they reveal about the currents of power flowing through the city.