Photo = Yonhap News
Haeundae-gu District, Busan | July 30, 2021
People on the morning of July 30 play in the water at Haeundae Beach in Busan's Haeundae-gu District amid the sweltering heat. A heat wave warning issued on July 19 has remained in effect in Korea's second-largest city, and the temperature rose to 31 degrees Celsius on the afternoon of July 30.