Staff members work at the distribution center of a delivery company in Lianyungang City, east China's Jiangsu Province, Nov. 11, 2018. Statistics from the State Post Bureau showed that around 1.35 billion delivery orders were placed by major e-commerce companies on Singles' Day online shopping promotion on Nov. 11. China's e-commerce giant Alibaba launched the annual online shopping promotion on Nov. 11, 2009, a day celebrated by many Chinese young people as Singles' Day. (Xinhua/Si Wei)