U.S. Secretary of State John Kerry (C), Russian Foreign Minister Sergey Lavrov (R) and United Nations Special Envoy for Syria Staffan de Mistura attend a joint press conference in Geneva, Switzerland, Sept. 10, 2016. U.S. Secretary of State John Kerry and Russian Foreign Minister Sergey Lavrov reached on Saturday a landmark agreement which would see both countries greatly enhance cooperation in a bid to end the five-year-old Syrian conflict. (Xinhua/Xu Jinquan)