A dealer displays a piece of crystal ware at the China Donghai Crystal City in Donghai County of Lianyungang City, east China's Jiangsu Province, Feb. 2, 2016. The China Donghai Crystal City, a crystal trading center covering a floor area of 450,000 square meters, is expected to boost local crystal industry. Donghai County has 300,000 metric tons of natural crystal reserves and more than 200,000 people rely on crystal industry for living. (Xinhua/Ji Chunpeng)