Peter and Paul Fortress on Neva riverside, UNESCO World Heritage Site, St. Petersburg, Russia, Europe

photography colour colour image color color image vertical vertical image outdoors outside day nobody no one no one landmark landmarks famous well known well known travel destination travel destinations travel tourism tourist destination peter and paul fortress neva riverside unesco unesco world heritage site world heritage site st petersburg russia europe european building exterior building buildings architecture architectural fort forts fortified fortification fortress fortresses citadel museum bell tower tall tower spire waterfront riverside urban scene urban scenes urban river water water surface history historical historic heritage boat transportation transport 18th century one boat river boat art culture and entertainment cloud cloudscape standing out outstanding