Chen Jun (3rd L Back), president of Nanjing University, gives German Chancellor Angela Merkel (2nd L Back) an honorary doctorate from the prestigious university in Nanjing, capital of east China's Jiangsu Province, during a ceremony in Beijing, capital of China, June 12, 2016. Merkel was on her ninth trip to China since she took office in 2005. (Xinhua/Jin Liwang)