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![A group of seasoned haenyeo, or female divers, perform on stage while singing a traditional folksong at the induction ceremony for new trainees at the Jeju Hansupul Haenyeo School on Jeju Island on May 2. [CHOI CHOONG-IL]](https://image.koreajoongangdaily.com/12597067.jpg?imageId=12597067&width=240&height=184&format=webp&format=jpg)
![A scuba diver watches oceanic mantas at the Manta Ridge dive site in Raja Ampat, Indonesia, on March 7. The photo is not related to the article. [AP/YONHAP]](https://image.koreajoongangdaily.com/12605664.jpg?imageId=12605664&width=240&height=184&format=webp&format=jpg)