Lone person walks across empty Westminster Bridge, London in front of Big Ben and The Houses of Parliament, during the COVID-19 lockdown pandemic 2020

westminster bridge parliament westminster houses of parliament house of commons big ben london in lockdown london city of london britain prime minister landmarks england government deserted british building landmark no traffic tourism empty city urban street desolate no people attractions architecture travel europe tourist eerie beautiful gimbal pandemic tourists quarantine streets crisis covid19 covid coronavirus lockdown quiet self isolating corona iconic famous