Home » BBC News - Technology » technology news » Coronavirus: Drone display says 'thanks' to key workers Coronavirus: Drone display says 'thanks' to key workers Unknown 6:37 AM BBC News - Technology technology news The light show in South Korea also reminded people to wash their hands. from BBC News - Technology https://ift.tt/2DfAYu1 Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati