Robots serve as shopping assistants in China's bookstore

A customer interacts with robot "Xiao Xin" at the Xinhua Bookstore on Qingchun Road in Hangzhou, capital of east China's Zhejiang Province, Dec. 15, 2017. The bookstore reopened Friday after a 5-month upgrade, adding a couple of robots in each area serving as shopping assistants. (Xinhua/Long Wei)