Crowd of people walking past Saint Paul Cathedral and Millenium Bridge, panning right to Leadenhall and Fenchurch modern buildings skyline, on the first day after Brexit

people walk millennium bridge cathedral skyline london british england capital city vacation holiday tourism thames river destination tourists day saint paul cathedral riverside boat millennium footbridge landmark architecture britain dome travel english attraction building famous sightseeing historic place historical iconic footbridge panning right fenchurch walkie talkie cheesegrater leadenhall busy crowded modern brexit first day