Aerial photo taken on Oct. 4, 2018 shows a herd of milu deers on a wetland at the Dafeng Milu National Nature Reserve in Yancheng City, east China's Jiangsu Province. China has adopted the vision that lucid waters and lush mountains are invaluable assets and pursued a holistic approach to conserving its mountains, rivers, forests, farmlands, lakes, and grasslands. At the very highest levels, China is driving the way forward in the construction of an ecological civilization. (Xinhua)