Captured Turkish cannon, Union Flag at half mast on Old Admiralty Building, Horse Guards Parade, Whitehall, London, England, United Kingdom, Europe

travel destination photography vertical colour image london england united kingdom europe day outdoors building exterior architecture 18th century canon flag window tourism capital cities national landmark sky ornate pattern human representation no people old history the past old admiralty building horse guards parade whitehall cannon union flag half mast british culture wheel english uk britain great britain british european colour color image color outside travel destinations travel architectural nobody no one no one places of interest historical historic heritage cultural culture typically british traditional culture tradition traditional traditionally british capital city