Flying backwards on Tower Bridge with a view of the City of London

london england uk united kingdom aerial view 4k 30 fps drone cloudy grey sky thames river tower bridge boats walkie talkie building sky garden capital city borough tower of london pier traffic jam busy city crowd financial district royal building brown water victorian style stunning views panoramic view iconic symbol historic drawbridge boat trip glass walkway central center centre striking blue horace jones bascules crosswalk neogothic architecture contrast navigating navigation dock square frame