16th Wenzhou Int'l Optics Fair held in E China's Zhejiang

A man tries a pair of glasses during the 16th Wenzhou Int'l Optics Fair in Wenzhou City, east China's Zhejiang Province, May 5, 2018. The 3-day fair opened here on Saturday, attracting more than 550 exhibitors. (Xinhua/Su Qiaojiang)