The unmanned sweeper works at the 19th Asian Games Hangzhou Logistics Center in Hangzhou, east China’s Zhejiang Province, Sept. 13, 2023. At present, the 19th Asian Games Hangzhou Logistics Center has entered the peak stage of Asian Games material transportation. Since September, the logistics center of the 19th Asian Games Hangzhou has received and dispatched more than 10,000 pieces of materials per day. (Xinhua/Jiang Han)