Aerial photo taken on Aug. 7, 2018 shows Xijiang off-site conservation center of the finless porpoise nature reserve along the Yangtze River in Anqing City, east China's Anhui Province. The finless porpoise nature reserve, consisting of three core zones, six buffer zones and several experimental zones, has provided a safe habitat for some 200 finless porpoises, since being set up in 2017. (Xinhua/Jin Liwang)