U.S. Ambassador to the United Nations Nikki Haley (L, Front) looks as the UN Special Envoy for Syria Staffan de Mistura (R, Front) addresses a UN Security Council meeting on Syria at the UN headquarters in New York, on Feb. 14, 2018. The UN special envoy for Syria on Wednesday vowed to push ahead the UN-led intra-Syrian talks in Geneva that are aimed at finding a political solution to the Syria crisis. (Xinhua/Li Muzi)