Aerial photo taken on Sept. 19, 2018 shows the Hewan Mountain Village located among mountains by the Youshui River in Youyang County, southwest China's Chongqing Municipality. Hewan Mountain Village has a history of more than 600 years, and is famous for the Diaojiaolou buildings (houses on stilts) of Tujia ethnic group and the terraced fields nearby. (Xinhua/Liu Chan)