People swim underwater at Clovelly Beach on December 14, 2023 in Sydney, Australia. A severe heat wave hit Sydney over the weekend, a precursor of hot and dry conditions expected for the rest of the summer which will also bring heightened bushfire risk. The mercury rose to alarming levels again on Thursday. (Photo by Jenny Evans/Getty Images)

Andrii Rubliuk, a senior sergeant with a Ukrainian intelligence unit who lost both arms and a leg in combat, holds a rifle during military training near Kyiv, Ukraine, on February 14, 2025. (Photo by Evgeniy Maloletka/AP Photo)

Kate O'Connor, of Ireland, makes an attempt in the pentathlon long jump at the World Athletics Indoor Championships in Nanjing, China, Friday, March 21, 2025. (Photo by Vincent Thian/AP Photo)

Molly Swindall, 30, who travelled from the United States to meet Moo Deng for the third time, reacts as she takes a selfie with the one-year-old female pygmy hippo, who became a viral internet sensation last year, and her mother Jona, at Khao Kheow Open Zoo in Chonburi province, Thailand, on July 10, 2025. (Photo by Chalinee Thirasupa/Reuters)

A fire dancer makes a heart shape at the Bealtaine fire festival, marking the beginning of summer at the Hill of Uisneach in Rathnew, Ireland, on May 10, 2025. (Photo by Clodagh Kilcoyne/Reuters)

A puffin swims underwater in search for fish off the coast of the Farne Islands in Northumberland, North East England in the last decade of July 2025. (Photo by Brian Matthews/Solent News & Photo Agency)

A man walks past kelp as he goes for a swim in the Pacific Ocean at La Jolla Shores, Thursday, July 24, 2025, in San Diego. (Photo by Gregory Bull/AP Photo)

Aerial view of workers repairing fishing nets in preparation for a new round of fishing season on July 27, 2025 in Wenling, Taizhou City, Zhejiang Province of China. (Photo by Zhu Haiwei/Zhejiang Daily Press Group/VCG via Getty Images)