peter and pauls fortress in saint-petersburg, russia.

and architecture background branch building cathedral center city cityscape cloud color column dawn dawning depression depressive dull eastern europe exterior facade famous fortification fortress gray grey heritage historic historical island landmark landmarks monument neva old outdoors panorama paul pauls peter peterburg petersburg petr petropavlovski petropavlovsky place popular russia russian sad sadness saint saintpetersburg season shadow shadows site skies sky stone street symbol texture textured top tourisctic tower towers travel tree trees trunk unesco urban wall walls world yellow zayachy