The UN Special Envoy for Syria Staffan de Mistura addresses media at Palais des Nations in Geneva, Switzerland, Feb. 23, 2017. The lack of trust between delegations participating in the latest round of Syria peace talks is one of the main obstacles which must be overcome if any substantial progress is to be made in the coming weeks, the UN Envoy for Syria said Thursday. The Syrian peace talks resumed in Geneva on Thursday. (Xinhua/Xu Jinquan)
