ruined gates of medieval kremenets castle located on top of a hill in kremenets town, ukraine

ruins rock monastery building wall arch temple fortification chapel architecture history castle abbey church formation ruined gates medieval kremenets located top hill town ukraine ternopil region travel stone architecture building castle medieval fortress ancient history tower ruin historic wall gate ukraine old landmark kremenets fort europe fortification nature grass defense region bona kremenetsky ternopil mountain sky hill entry guard stronghold tourism blue place queen citadel king cossacks beauty town outdoor landscape entrance archeology touristic cossack culture