Customers choose the purple clay tea pots at a tea industry fair held in Dalian, northeast China's Liaoning Province, June 15, 2017. The tea industry fair, jointly held with a purple clay and porcelain creations exhibition, started in Dalian on Thursday. Many famous types of Chinese tea as well as clay and porcelain works from Yixing and Jingdezhen were displayed during the five-day event. (Xinhua/Li Gang)