Wang Qun, Chinese envoy to the United Nations and other international organizations in Vienna, leaves the venue after a meeting of the Joint Commission of the Joint Comprehensive Plan of Action (JCPOA) in Vienna, Austria, on April 17, 2021. Wang Qun on Saturday urged all parties to the 2015 Iran nuclear deal, or the Joint Comprehensive Plan of Action (JCPOA), to immediately start negotiating the specific formula of sanction-lifting. (Xinhua/Guo Chen)
