Photo taken on May 17, 2018 shows the scene of the United Nations (UN) Security Council high-level open debate on upholding international law for world peace and security, at the UN headquarters in New York. While concerns about the authority and mandated duties of the UN Security Council were raised at a high-level open debate on Thursday, China threw its considerable weight behind it, one of the six UN principal organs for maintaining international peace and security. (Xinhua/Li Muzi)