Red-crowned cranes walk inside the Zhangye National Wetland Park in Northwest China’s Gansu province, April 22, 15. Fourteen red-crowned cranes, a first-class national protected animal, were imported over one year ago from the Zhalong Natural Reserve in Qiqihar, Northeast China's Heilongjiang province, and they have became accustomed to the new environment. (Photo: China News Service/Chen Li)
