To better protect the health of residents of Lanzhou in Gansu province, the local government used large-scale agricultural spraying drones to step up its disinfection of public areas on Oct 27 as part of anti-epidemic measures. 

Volunteers disinfect a middle school with the help of a drone in Lanzhou, Gansu province, on Oct 27. [Photo/VCG]

A staff member adds liquid disinfectant to the nebulizer on an unmanned aerial vehicle. [Photo/VCG]

The drone carrying disinfectant gets to leave the ground. [Photo/VCG]

Staff members control the direction, speed and distance required of the UAV application. [Photo/VCG]