Kaleto Rock Fortress, rock formations, Belogradchik, Bulgaria, Europe

travel destination photography horizontal colour image outdoors europe day bulgaria kaleto rock fortress fortification old history the past rock formations belogradchik geology landscape scenics physical geography non urban scene no people cloudy sky tree rock bulgarian culture colour image colour color image color outside tourist destination travel nobody no one no one topography historical historic heritage cultural culture scenery scenic scene scenes picturesque typically bulgarian bulgarian culture traditional culture tradition traditional traditionally bulgarian europe european