Lucid waters and lush mountains are invaluable assets. This concept epitomizes Chinese President Xi Jinping's vision for ecological civilization. It was first proposed 20 years ago when Xi, then secretary of the Zhejiang Provincial Committee of the Communist Party of China, visited a small village called Yucun in Anji County, east China's Zhejiang Province. Once a dusty mining site, Yucun is now a lush, vibrant destination drawing over a million visitors a year. CGTN takes you there.