Closing session of the COP24 U.N. Climate Change Conference 2018 in Katowice
Iran's head of delegation Majid Shafiepour Motlagh, China's head of delegation Xie Zhenhua and COP24 President Michal Kurtyka smile after adopting the final agreement during a closing session of the COP24 U.N. Climate Change Conference 2018 in Katowice, Poland, December 15, 2018. REUTERS/Kacper Pempel