Children attend a swim training session at Hangzhou Chen Jinglun Sport school Natatorium, where Chinese Olympic swimmer Sun Yang and Fu Yuanhui also trained, in Hangzhou, Zhejiang province, China, August 10, 2016. (Photo by Aly Song/Reuters)

South Korea's Black Eagles aerobatics team performs an aerial display forming a Ying and Yang logo during the Singapore Airshow at Changi exhibition center in Singapore on February 16, 2016. (Photo by Roslan Rahman/AFP Photo)

Dancers from the “Legend Lin Dance Theatre” perform the artistic director and choreographer Li-chen Lin's classic works “Hymne aux Fleurs qui Passent, Anthem to the Fading Flowers” during a rehearsal at the National Theater Concert Hall in Taipei, Taiwan, Tuesday, August 18, 2015. “Hymne aux Fleurs Qui Passent” pays tribute to the cycle of the year and the complementary principles of Yin and Yang whose eternal struggle provides the driving force behind the changing of the seasons. (Photo by Chiang Ying-ying/AP Photo)

Models wait backstage before the GUAXIN Autumn/Winter 2024 collection show by Chunlin Yang, during China Fashion Week in Beijing, China on March 29, 2024. (Photo by Tingshu Wang/Reuters)

Divers perform underwater “Flying Apsaras” dance at Nanjing Underwater World on September 20, 2023 in Nanjing, Jiangsu Province of China. (Photo by Yang Bo/China News Service/VCG via Getty Images)

A woman feeds red-billed gulls on the Haigeng Dam of Dian Lake on March 5, 2023 in Kunming, Yunnan Province of China. (Photo by Yang Zheng/VCG via Getty Images)

“Yokohama Hakkeijima Sea Paradise is an amusement park consisting of an aquarium, shopping mall, hotel, marina and amusement rides. It is located in Kanazawa-ku, Yokohama, Japan. It opened for business on May 8, 1993”. – Wikipedia

Photo: Shoal of sardines and sharks swim in a tank at Yokohama Hakkeijima Sea Paradise on March 19, 2009 in Yokohama, Japan. (Photo by Junko Kimura/Getty Images)

Ray Yang, a celebrity trainer, takes a selfie before the start of a workout session during TV program "The Body Show" at a gym in Seoul, September 19, 2015. Looks no longer centre only on the face in beauty-obsessed South Korea, where more women are hitting the gym to improve muscle tone and physical health. As the ideal of beauty evolves in a country that is a trendsetter in cosmetics and the pursuit of plastic surgery, women's fitness has become a growth business, say purveyors of health products, from diet supplements to dumb-bells. (Photo by Kim Hong-Ji/Reuters)