London skyline as seen from the viewing platform of Severndroog Castle, 18th century Gothic tower in Greenwich, London, England, United Kingdom, Europe

travel destinations travel horizontal color image outdoors day no people cloud sky uk europe copy space england building architecture skyscraper city urban scene london capital cities cityscape tree nature trees travel destination tourist destination tourist destinations skyscrapers high rise high rises high rise high rises buildings cities urban outdoor outside nobody no one no person daytime architectural