peter and pauls fortress in saint-petersburg, russia.

and architecture artistic background blue building cathedral center city cityscape cloud collage color column creative dawn dawning double eastern europe facade famous fortification fortress grass green heritage historic historical island landmark landmarks monument neva old outdoors panorama paul pauls people peter peterburg petersburg petr petropavlovski petropavlovsky photography pillar place popular river russia russian saint saintpetersburg season shadow shadows site skies sky stone stones street symbol temple top tourisctic tower trace traces travel unesco urban wall winter world yellow zayachy