In Daytime Discos, South Korea’s Elderly Find Escape From Anxiety

Kim In-gil dance with his partner at the New Hyundai Core colatec in Seoul, South Korea, April 10, 2018. Reuters/Kim Hong-Ji

SEOUL—A discotheque hidden among the back alleys of eastern Seoul is packed with hundreds of grey-haired couples on a Monday afternoon, dancing to local hits from the 1960s in a basketball court-sized hall.

Kim Sa-gyu, 85, calls it his “playground.”