A Sumatra Orangutan is seen on this photo taken on June 14, 2017 at Leuser National Park forest in Aceh province, Indonesia. The International Union For the Conservation of Nature (IUCN) said there was only less than 7,000 Sumatran and Bornean orangutans left in the wild with fears of extinction in their native habitat in the coming years. (Xinhua/Junaidi)
