Djanpyk Kala, Sth Karakalpakstan, Uzbekistan
At the background black and dark green stone ridges are adjacent to the east part of the fortress providing a surprisingly scenic view. The base of the fortress belongs to the 4th century BC. The outer walls and towers date back to the 9th–12th centuries; later buildings inside the fort are dated to 12th–14th centuries. Near the western wall of the fortress there is a large building - a citadel or palace with an area of 23×50m, its walls were made of half-columns - corrugations. Their separate sections are preserved to a height of 14m.