Re: They could
London Bridge is a very boring 1970s concrete motorway bridge
https://www.google.co.uk/maps/@51.5085057,-0.0902752,3a,75y,102.16h,92.96t/data=!3m6!1e1!3m4!1sJ1R6us0iIXMkdNCDDWVGuQ!2e0!7i13312!8i6656
Are you sure you don't want the next bridge downstream which is Tower Bridge?