nevskaya pier and the commandant`s gate in the peter and paul fortress of st. petersburg in winter

air and architecture bastion bridge building cathedral church city cityscape commandants construction europe famous fortress from gate historical ice imprint island journey landscape naryshkin navigation neva nevskaya nevsky old opastnost outdoor panoramic paul peter petersburg pier river roof russia russian saint saintpetersburg sightseeing sky snow summer sunny symbol tourism tower town trail travel under urban view wall water white winter