By Park Sae-jinPosted : October 14, 2015, 16:31Updated : October 14, 2015, 16:31
K-pop girl group Red Velvet's Yeri waves during the "2015 One K" concert at the Seoul World Cup Stadium in Mapo-gu, Seoul, Friday. Under the theme of "One Dream, One Korea," the event was part of programs to mark the 70th anniversary of Korea's liberation from Japanese colonial rule (1910-1945).