A man watches an exhibition on ancient bamboo slips showcasing early Chinese civilization debuts at the United Nations headquarters in New York, on August 27, 2013. Themed on "Chinese Classics Inscribed on Bamboo slips," the exhibition displays photos and illustrations of the bamboo manuscripts collected by Tsinghua University, one of the most prestigious universities in China. (Xinhua/Niu Xiaolei)

A woman stands by an exhibition on ancient bamboo slips showcasing early Chinese civilization debuts at the United Nations headquarters in New York, on August 27, 2013. Themed on "Chinese Classics Inscribed on Bamboo slips," the exhibition displays photos and illustrations of the bamboo manuscripts collected by Tsinghua University, one of the most prestigious universities in China. (Xinhua/Niu Xiaolei)