Video PlayerClose
Ni Jingyun, a researcher, does an experiment at the Traditional Chinese Medicine Science and Technology Industrial Park of Co-operation between Guangdong and Macao, located at the Hengqin Area of the China (Guangdong) Pilot Free Trade Zone in Zhuhai, south China's Guangdong Province, Oct. 23, 2018. (Xinhua/Liang Xu)