Video PlayerClose
Ma Kai, Chinese Vice Premier and the special envoy of President Xi Jinping, speaks during the One Planet Summit in Paris, France, on Dec. 12, 2017. (Xinhua/Chen Yichen)
Ma Kai, Chinese Vice Premier and the special envoy of President Xi Jinping, speaks during the One Planet Summit in Paris, France, on Dec. 12, 2017. (Xinhua/Chen Yichen)