London City traffic at Trafalgar roundabout with black Taxis and red double-decker bus driving past people protest

equestrian statue of charles trafalgar square london traffic roundabout rotary traffic circle people pedestrians monument street transportation public transport double decker red doubledecker bus zebra crossing crosswalk uk gathering demonstration protest protesting daytime copy text rush hour city cars vehicles trafalgar urban british english memorial downtown crowd bus road intersection crossroad busy driving commuter taxi cab retro traditional green light