Photo taken on July 11, 2013 shows workers transferring seedlings at the Saihanba forest in Weichang Man and Mongolian Autonomous County of Chengde City, north China's Hebei Province. China's Saihanba afforestation community on Dec. 5, 2017 was announced to be one of the top winners of the annual UN Champions of the Earth Award for its outstanding contribution to restoration of degraded landscapes, amid the national efforts to advance ecological civilization. (Xinhua)