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.