http://www.newsweek.com/rock-art-ancient-china-tribe-painting-archaeology-1383276

Archaeologists have discovered a number of rock paintings on a giant boulder in Alxa Right Banner, Inner Mongolia.

Markings on one side of the rock depict dancing human figures holding hands. On the other side, three human figures are displayed in a row. According to Chinese state news agency Xinhua, researchers think the artworks are around 4,000 years old.