COVID-19 Over Space: Hundreds of Drones Light up Seoul’s Night Skies
Three hundred drones took to South Korea’s evening sky over the Han River to provide advice on coronavirus prevention via a coordinated show of light featuring photos of hand-washing and social space. Last Saturday (July 4) a swarm of pinpoint lights raised into the air in military-like formation before rearranging themselves to form the picture of a white face mask, …