People demonstrate for stop wildlife trading before the opening of the 17th meeting of Conference of the Parties (COP) to the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) in Johannesburg, South Africa, on Sept. 24, 2016. South African President Jacob Zuma on Saturday opened the 17th COP to the CITES in Johannesburg, which will discuss key issues pertaining to the regulation of international trade in wildlife. (Xinhua/Zhai Jianlan)