Unmanned devices help to fight against COVID-19 in Anhui

An unmanned intelligent delivery vehicle runs around a hotel for COVID-19 quarantine in Hefei, east China's Anhui Province, March 22, 2022.

An unmanned disinfection device works in Hefei South Railway Station in Hefei, east China's Anhui Province, April 27, 2022.

Staff members assemble unmanned floor-cleaning devices at a tech company in Hefei, east China's Anhui Province, April 27, 2022.