Any question answered...

Why do people confuse Tower Bridge and London Bridge so often? I'm not referring to the apocryphal story about the old London Bridge being sold to Arizona, but you often hear people call Tower Bridge London Bridge, e.g. tourists like the photographer who seems to be responsible for this classic of the genre, in London's own newspaper, no less:

http://www.standard.co.uk/news/london/photographer-in-bid-to-trace-newlyweds-he-pictured-in-romantic-embrace-on-tower-bridge-10291327.html

Photographer in bid to trace newlyweds he pictured in romantic embrace on Tower Bridge

A message with the photo said: “I managed to shoot this picture with them and the London Bridge in the background. I have the high quality picture and I love to find them and give it to them as a gift.