Flock of pigeons fly away to the Kazan Cathedral, Slow motion - St

kazan cathedral - st. petersburg st. petersburg - russia st. petersburg international economic forum russia flock of birds non us film location architectural dome museum film - moving image architecture cathedral pigeon bird tourism 1080p famous place flying finance and economy history city economy travel grass tourist day orthodox church church dove - bird people flower hd format old cupola cultures animal slow motion human settlement outdoors religion sunny horizontal old-fashioned green color summer