Lyoo Chan-hee, 10, his younger sister Lyoo Chae-hee, 7, and Lyoo Ye-hee, 3, get ready to go to sleep at their home on Nokdo island in Boryeong, South Korea, March 1, 2021. "Seoul is so crowded, noisy and the air is not good," said Chan-hee. "Nokdo has no traffic, isn't noisy and the air is clean. I can play outside more actively, so I like it here." REUTERS/Kim Hong-Ji SEARCH "NOKDO AGEING " FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES TPX IMAGES OF THE DAY