COP21 president Segolene Royal (R) hands over the presidency to Morocco's Foreign Affairs Minister Salaheddine Mezouar (L) during the opening ceremony of COP22 in Marrakech, Morocco, Nov. 7, 2016. The 22nd Conference of Parties (COP22) to the United Nations Framework Convention on Climate Change (UNFCCC) kicked off here on Monday. (Xinhua/Meng Tao)
