People enjoy a light show at the Olympic Park in Seoul, South Korea, Nov. 13, 2020. A light show with 315 drones was staged here on Friday.

Photo taken on Nov. 13, 2020 shows a light show at the Olympic Park in Seoul, South Korea. A light show with 315 drones was staged here on Friday.

People enjoy a light show at the Olympic Park in Seoul, South Korea, Nov. 13, 2020. A light show with 315 drones was staged here on Friday. (Photos: Xinhua)

Photo taken on Nov. 13, 2020 shows a light show at the Olympic Park in Seoul, South Korea. A light show with 315 drones was staged here on Friday.

People enjoy a light show at the Olympic Park in Seoul, South Korea, Nov. 13, 2020. A light show with 315 drones was staged here on Friday.