saint isaacs cathedral in saint-petersburg, russia. black and white soft focus photo

and architecture autumn background beautiful black building cathedral christianity church city collonade colonnade color cupola dome eastern europe fall famous focus golden heritage historic history isaac isaacs isaak isaakievski isaakievsky isaaks landmark landmarks old onion orthodox peterburg petersburg photo popular religion russia russian saint saintpetersburg scenic season site sky soft springtime temple tourism tourists travel tree unesco urban viewpoint white world yellow