Zhang Jianlong (3rd R, front), head of China's State Forestry Administration, acts as the president of the 13th Session of the Conference of the Parties (COP 13) to the United Nations Convention to Combat Desertification (UNCCD) in Ordos, north China's Inner Mongolia Autonomous Region, Sept. 6, 2017. The 13th Session of the Conference of the Parties (COP 13) to the United Nations Convention to Combat Desertification (UNCCD) opened Wednesday in Ordos. [Photo/Xinhua] |