Aerial photo taken on July 31, 2018 shows the scenery of Zhalong National Nature Reserve in Qiqihar, northeast China's Heilongjiang Province. Zhalong National Nature Reserve, covering 2,100 square kilometers, was set up in 1979 in a northeast China's reed wetland. It provides a major habitat for red-crowned cranes and other wildlife. (Xinhua/Wang Kai)
Red-crowned cranes are seen at Zhalong National Nature Reserve in Qiqihar, northeast China's Heilongjiang Province, Aug. 1, 2018. Zhalong National Nature Reserve, covering 2,100 square kilometers, was set up in 1979 in a northeast China's reed wetland. It provides a major habitat for red-crowned cranes and other wildlife. (Xinhua/Wang Kai)
Red-crowned cranes are seen at Zhalong National Nature Reserve in Qiqihar, northeast China's Heilongjiang Province, Aug. 1, 2018. Zhalong National Nature Reserve, covering 2,100 square kilometers, was set up in 1979 in a northeast China's reed wetland. It provides a major habitat for red-crowned cranes and other wildlife. (Xinhua/Wang Kai)
A red-crowned crane is seen flying at Zhalong National Nature Reserve in Qiqihar, northeast China's Heilongjiang Province, July 31, 2018. Zhalong National Nature Reserve, covering 2,100 square kilometers, was set up in 1979 in a northeast China's reed wetland. It provides a major habitat for red-crowned cranes and other wildlife. (Xinhua/Wang Kai)
Red-crowned cranes fly over Zhalong National Nature Reserve in Qiqihar, northeast China's Heilongjiang Province, Aug. 1, 2018. Zhalong National Nature Reserve, covering 2,100 square kilometers, was set up in 1979 in a northeast China's reed wetland. It provides a major habitat for red-crowned cranes and other wildlife. (Xinhua/Wang Kai)
Red-crowned cranes are seen at Zhalong National Nature Reserve in Qiqihar, northeast China's Heilongjiang Province, Aug. 1, 2018. Zhalong National Nature Reserve, covering 2,100 square kilometers, was set up in 1979 in a northeast China's reed wetland. It provides a major habitat for red-crowned cranes and other wildlife. (Xinhua/Wang Kai)
Red-crowned cranes are seen at Zhalong National Nature Reserve in Qiqihar, northeast China's Heilongjiang Province, Aug. 1, 2018. Zhalong National Nature Reserve, covering 2,100 square kilometers, was set up in 1979 in a northeast China's reed wetland. It provides a major habitat for red-crowned cranes and other wildlife. (Xinhua/Wang Kai)
Red-crowned cranes are seen at Zhalong National Nature Reserve in Qiqihar, northeast China's Heilongjiang Province, Aug. 1, 2018. Zhalong National Nature Reserve, covering 2,100 square kilometers, was set up in 1979 in a northeast China's reed wetland. It provides a major habitat for red-crowned cranes and other wildlife. (Xinhua/Wang Kai)
Red-crowned cranes are seen at Zhalong National Nature Reserve in Qiqihar, northeast China's Heilongjiang Province, July 31, 2018. Zhalong National Nature Reserve, covering 2,100 square kilometers, was set up in 1979 in a northeast China's reed wetland. It provides a major habitat for red-crowned cranes and other wildlife. (Xinhua/Wang Kai)
A red-crowned crane is seen flying at Zhalong National Nature Reserve in Qiqihar, northeast China's Heilongjiang Province, July 31, 2018. Zhalong National Nature Reserve, covering 2,100 square kilometers, was set up in 1979 in a northeast China's reed wetland. It provides a major habitat for red-crowned cranes and other wildlife. (Xinhua/Meng Chenguang)
Aerial photo taken on July 31, 2018 shows the scenery of Zhalong National Nature Reserve in Qiqihar, northeast China's Heilongjiang Province. Zhalong National Nature Reserve, covering 2,100 square kilometers, was set up in 1979 in a northeast China's reed wetland. It provides a major habitat for red-crowned cranes and other wildlife. (Xinhua/Wang Kai)
Aerial photo taken on July 31, 2018 shows the scenery of Zhalong National Nature Reserve in Qiqihar, northeast China's Heilongjiang Province. Zhalong National Nature Reserve, covering 2,100 square kilometers, was set up in 1979 in a northeast China's reed wetland. It provides a major habitat for red-crowned cranes and other wildlife. (Xinhua/Wang Kai)
Red-crowned cranes are seen at Zhalong National Nature Reserve in Qiqihar, northeast China's Heilongjiang Province, Aug. 1, 2018. Zhalong National Nature Reserve, covering 2,100 square kilometers, was set up in 1979 in a northeast China's reed wetland. It provides a major habitat for red-crowned cranes and other wildlife. (Xinhua/Meng Chenguang)
