[Yonhap Photo] School children are receiving lessons on survival swimming as a compulsory education course in Gunpo, a satellite city of Seoul. Copyright ⓒ Aju Press All rights reserved. Related Big Bang Releases New Single After Four Years, Unveils Visual Photo New Photo Upload Regulations Begin July 1 to Combat Illegal Content Nayeon at the CASIO Store Dosan & Cafe 00:00 first anniversary photo call