panorama of the cross-channel of the ancient ruined petrovsky dock in kronstadt with broken ship gates and a draining neck in the

ancient architecture autumn broken canal channel color crosschannel day destroyed dock draining emperor engineering fall famous finland gate granite great gulf historic island kotlin kronshtadt kronstadt landmark landscape mechanism metal metalwork neck old outdoor panorama park patriot peter peterburg petersburg petrovsky ruined russia russian saint ship sky sluice stone sunny the transportation