Starling murmuration over Thames with Canary Wharf in Background

london skyline greenwich woolwich ferry canary wharf woolwich dockyard woolwich thames barrier south east london thames pier jetty london financial district docks royal arsenal riverside waterfront park crossrail cityscape clouds urban industry mudlarking dusk evening redevelopment wildlife in the city looming sunset murky background murmuration serene housing development moody urban wildlife calm tranquil starlings river dramatic static footage refelction nature banking flock slow motion birds wildlife history