saint petersburg. russia. bolsheokhtinsky bridge lifted. bridge of peter. the drawbridges of petersburg. navigation on the neva

aerial architecture beautiful bolsheokhtinsky bolshokhtinsky bridge canal cathedral cities city cityscape copter drawbridges drawn dusk embankment europe evening famous height heritage historical landmark landscape lifted light map navigation neva night open opened panorama peter petersburg quadcopter river road russia russian saint saintpetersburg summer symbol tourism tourist tower traditional travel twilight urban view water white