Tsenkher Agui is a cave 25 kilometers west of the center of Mankhan soum, on the western slope of a mountain on the West Bank of the Tsenkher River. The cave is about 20 meters high and was inhabited 40.000-12.000 years ago in the Paleolithic Era. The road is not easy, but the cave paintings are amazing. The paint pigment is composed of red and brown earths. Soot from smoke also covers the walls and roof of the cave. Amongst the paintings of Mountain Goats, Buffalo and birds are what appear to be Ostrich and Elephant, both long extinct in Mongolia. It has been enjoyed the state protection since 1971.