Moroccan Foreign Minister Salaheddine Mezouar (L), president of the 22nd Conference of the Parties to the United Nations Framework Convention on Climate Change (COP22), knocks hammer to announce an agreement at the closing plenary of the Marrakech Climate Conference in Marrakech, Morocco, on Nov. 18, 2016. The United Nations conference on climate change concluded here early Saturday after hours of negotiations that finally achieved compromise over the text on outcomes. (Xinhua/Zhao Dingzhe)