UN Special Envoy for Syria Staffan de Mistura addresses a press briefing after a meeting of the International Syria Support Group's Humanitarian Access Task Force at Palais des Nations in Geneva, Switzerland, on Aug. 17, 2017. UN Special Envoy for Syria Staffan de Mistura on Thursday said that he may sponsor a "preparatory" round of peace talks on Syria in Geneva next month, but the "real substantive" talks will be scheduled for October. (Xinhua/Xu Jinquan)
