Aerial view of Tower 42, Gherkin (30 St. Mary Axe) (Swiss Re Building) and St. Helen's (Aviva Tower), City of London, London, England, United Kingdom, Europe

color image photography outdoors no people nobody square aerial day high angle high angle view above view from above buildings exterior building skyscraper urban tower uk financial great britain canary wharf travel travel destinations square image aerial view urban scene city architecture building exterior skyscrapers skyline modern tower 42 gherkin 30 st mary axe swiss re building st helen's aviva tower city of london london england united kingdom europe capital cities financial district