Peter and Paul Fortress against the sky with clouds

neva river st. petersburg - russia st. petersburg international economic forum russia cathedral the citadel military college tower spire bell tower - tower island church waterfront ship surrounding wall tourism building exterior travel museum cityscape non us film location famous place river city architecture landscape - scenery sky fort scenics - nature 4k resolution yellow water history religious saint cloud - sky military film - moving image finance and economy old horizontal economy elegance blue admiration cultures outdoors