
Shown are rip currents dragging swimmers away from Haeundae beach in the southeastern port city of Busan on July 31, 2017. Rescue workers said they have successfully saved all 70 swimmers who were swept away. (Yonhap)

Shown are rip currents dragging swimmers away from Haeundae beach in the southeastern port city of Busan on July 31, 2017. Rescue workers said they have successfully saved all 70 swimmers who were swept away. (Yonhap)

A sand sculpture of the Simpsons, an American animated sitcom character, rests at Haeundae Beach in Busan on March 25, 2017. (Yonhap)

A section of Haeundae Beach on the southeastern port city of Busan bears the marks of being submerged on Nov. 16, 2016, apparently affected by an unusually high tide stemming from the pull of the recent supermoon, which happens when a full moon or new moon coincides with the moon’s closest approach to Earth. (Yonhap)

Visitors crowd Haeundae Beach in Busan on July 10, 2016, with a heat wave sweeping South Korea. (Yonhap)

People have fun at Haeundae Beach in Busan on Sunday. [Chosun Ilbo]

Visitors have fun at Haeundae Beach in Busan on Sunday.[Chosun Ilbo]
Haeundae beach as seen from above. http://t.co/dMa9luKl34 via @WSJ pic.twitter.com/QuUmc8GvnV
— Groove Korea (@groovekorea) September 26, 2014