Aerial photo taken on Dec. 21, 2016 shows Dujiangyan Base of China Conservation and Research Center for Giant Pandas (CCRCGP) in southwest China's Sichuan Province. On May 12, 2008, a catastrophic earthquake damaged Sichuan's Wolong Panda Reserve. After ten years' efforts, the three bases of Wolong, Dujiangyan and Ya'an under the CCRCGP have been restored and put into use. (Xinhua/Xue Yubin)