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)

A store mannequin with a protective mask stands before a clothes store as they open for the first time since March during the novel coronavirus (COVID-19) pandemic on April 22, 2020 in Berlin, Germany. Small to midsized-shops are opening across Germany this week as state authorities follow a recommendation by the federal government to ease restrictions imposed in March meant to slow the spread of the coronavirus. Some schools are also planning to reopen soon, as are museums and hair salons in coming weeks. (Photo by Maja Hitij/Getty Images)

A group of youngsters dressed as ghouls and zombies for Halloween parade in downtown Lisbon, Portugal, Friday, October 31, 2014. (Photo by Francisco Seco/AP Photo)

Performers take part in the opening ceremony of the Beijing 2022 Winter Olympic Games, at the National Stadium, known as the Bird's Nest, in Beijing, on February 4, 2022. (Photo by Manan Vatsyayana/AFP Photo)

A worker sprays disinfectant as sanitization operations against Coronavirus are carried out in the museum hosted by the Maschio Angioino medieval castle, in Naples, Italy, Tuesday, March 10, 2020. (Photo by Alessandro Pone/LaPresse via AP Photo)

Composer, harpist and singer Esther Swift alongside her Italian Salvi pedal harp during a photocall ahead of her upcoming tour, at the Forth Bridge in North Queensferry, Scotland on Tuesday, March 7, 2023. Ms Swift will tour across Scotland solo this month with a programme of original compositions and traditional works. (Photo by Jane Barlow/PA Images via Getty Images)

In a photo taken on November 4, 2020 visitors wearing traditional Korean hanbok dress walk beneath yellow ginko leaves in a courtyard at Gyeongbokgung palace in Seoul. (Photo by Ed Jones/AFP Photo)

A brown bear is checked by foreign veterinaries and local staff members at the Four Paws Bear Sanctuary in Pristina, on May 9, 2014. (Photo by Hazir Reka/Reuters)