A view upwards from inside the Genoese Fortress in Feodosia, Crimea, Russia, showing the stone walls and arched openings

genoese fortress feodosia crimea russia interior walls stone arched openings architecture history travel tourism exploration historical site landmark medieval fortification defense castle ancient old building structure sightseeing vacation culture heritage travelogue journey destination adventure discovery explore view upwards inside stonework masonry brick arches doorway passageway window light shadow texture