Kapova cave - Credit: Wikimedia Commons
Kapova cave (, also known as Shul'gan-Tash, ) is a limestone karst cave in the Burzyansky District of Bashkortostan, Russia, ca. south-east of Ufa, in the southern Ural mountains. Located on the Belaya River in the natural reserve Shulgan-Tash, the cave is best known for the 16,000 years old Upper Paleolithic rock paintings and drawings. It contains the northernmost known ancient paintings. Read more on Wikipedia
Source: en.wikipedia.org