China is using all sorts of measures to combat the infamous Coronavirus outbreak. One of them is the use of drones, which are flying over the city of Shenzhen. More specifically in the province of Guandong. The information is being spread on Twitter.
Chinese authorities are using drones with two warning methods: first, there are drones with loudspeakers that ask Chinese citizens to keep their face masks on, in order to protect themselves from infection with Coronavirus via bacteria in the air.