neva river and open palace (dvortsovy) bridge - saint-petersburg russia

petersburg saintpetersburg saint russia russian drawbridge bridge open troitsky palace dvortsovy annunciation blagoveshchensky blagoveshensky bridging fortress attraction peterpavel architecture building city cityscape skyline sightseeing downtown europe famous landmark neva river travel water embankment heritage destination stpetersburg tourism summer fort sunset sunrise dawn dusk twilight evening night transport white raised saint-petersburg