GU'AN, June 14, 2016(Xinhua) -- Workers work at a warehouse of an intelligent distrbution center of Chinese e-commerce trader JD.com in Gu'an, north China's Hebei Province, June 14, 2016. The logistic working staff of JD.com are preparing for its "618" online shopping festival which is an e-commerce sales promotion activity around June 18. (Xinhua/Chen Yehua)
