divnogorye, top view of the mayatskaya fortress

182021 aerial air ancient archaeological architectural architecture august belogorie canyon cave chalk chalky copter cretaceous diva divnogorie divnogorye drone finger flight fly fortress foundation geological high hill landscape line mayatskaya meadow mountain museumreserve natural nature outdoor park peak picturesque pillar plateau ravine region remnants reserve river rock ruin russia settlement slope steppe stone top travel valley view voronezh