Ceiling frescoes, St. Isaac's Cathedral, UNESCO World Heritage Site, St. Petersburg, Russia, Europe

photography colour colour image color color image horizontal horizontal image day indoors inside nobody no one no one travel travel destination travel destinations russian orthodox church churches painting interior fresco ceiling fresco ceiling st isaac's cathedral st petersburg unesco unesco world heritage site world heritage site russia europe european building exterior building buildings building interior building interiors interior interiors architecture architectural religion religious religious building ornate fresco detail religious art decorative full frame history historical historic heritage symmetry low angle view low angle