Some 300 drones fly in the night sky, promoting the wearing of masks to prevent COVID-19 infection over Olympic Park in eastern Seoul, South Korea, 13 November 2020.
Via EPA-EFE/YONHAP
Photo Story: Drones illuminate Seoul with messages of hope
Latest
Heatwave grips Western Europe, putting Italian cities on alert and killing poultry in FranceUkraine submits updated bid for OECD membershipEU to require air con installers to tell buyers how energy efficient their systems areFrance reports Ebola case in doctor returning from CongoEU hosts Taliban for migrant return talks in Brussels
