saint petersburg cityscape with domes of kazan (kazansky) cathedral and st. isaac's cathedral, russia

aerial architecture building cathedral christianity church city cityscape column isaac dome europe european famous fountain god griboedov griboyedov historic history kazan kazanskiy kazansky landmark landscape medieval monument nevsky old orthodox panorama petersburg religion river roof russia russian saint skyline square summer temple tourism tower traditional travel domes isaac#39aph39#s russia