People visit the traditional lantern festival along the Cheonggyecheon Stream in Seoul, South Korea, May 28, 2020. The lantern festival lasts from May 20 to June 3 here in Seoul. (Photo by Lee Sang-ho/Xinhua)

A little girl plays at the traditional lantern festival along the Cheonggyecheon Stream in Seoul, South Korea, May 28, 2020. The lantern festival lasts from May 20 to June 3 here in Seoul. (Photo by Lee Sang-ho/Xinhua)

People visit the traditional lantern festival along the Cheonggyecheon Stream in Seoul, South Korea, May 28, 2020. The lantern festival lasts from May 20 to June 3 here in Seoul. (Photo by Lee Sang-ho/Xinhua)

People visit the traditional lantern festival along the Cheonggyecheon Stream in Seoul, South Korea, May 28, 2020. The lantern festival lasts from May 20 to June 3 here in Seoul. (Photo by Lee Sang-ho/Xinhua)