Okladnikov Cave - Credit: Wikimedia Commons
Okladnikov Cave () is a paleoanthropological site located in the foothills of the Altai Mountains in Soloneshensky District, Altai Krai in southern Siberia, Russia. The cave faces south and is located on a Devonian karst escarpment, lying about above the left bank of the Sibiryachikha River valley below; the river itself is a tributary of the Anuy River. Read more on Wikipedia
Source: en.wikipedia.org