The Chinese delegation of the Tibetan cultural exchange, led by Zheng Dui (1st L), Secretary-General of China Tibetology Research Center, gives a lecture at Kiev Taras Shevchenko National University (KNU) in Kiev, Ukrain, on May 23, 2017. The cultural exchange delegation on Tuesday gave a lecture on Chinese cultural diversity and traditional arts to the students of the KNU. (Xinhua/Chen Junfeng)