Mandela mountains' rock paintings Photo taken on June 19, 2012 shows a rock painting showing the hunting scene at Mandela Mountain in ...

Mandela mountains' rock paintings

Photo taken on June 19, 2012 shows a rock painting showing the hunting scene at Mandela Mountain in Alashan Gobi area of north China's Inner Mongolia Autonomous Region. (Xinhua/Wang Peng)

A staff member introduces a rock painting which shows the hunting scene at Mandela Mountain in Alashan Gobi area of north China's Inner Mongolia Autonomous Region, June 19, 2012.

Photo taken on June 19, 2012 shows a rock painting showing the hunting scene at Mandela Mountain in Alashan Gobi area of north China's Inner Mongolia Autonomous Region.

Photo taken on June 19, 2012 shows a rock painting showing the tribal life at Mandela Mountain in Alashan Gobi area of north China's Inner Mongolia Autonomous Region.

At Mandela Mountain in Alashan Gobi area of north China's Inner Mongolia Autonomous Region, there are around 4,000 pieces of rock paintings.

These rock paintings depicting nature environment, human daily lives, hunting, and religious rituals so on and so forth are dated from 5,000 to 1,000 years ago.

So called as the library carved on rocks, Mandela mountains' rock paintings bear significance contributing to researches on environment, climate, animals' habitats and religions of the ancient time.