The colourful process of salt harvesting is captured at the Hon Khoi Salt Fields in Nha Trang, Vietnam in December 2022. (Photo by Hilton Chen/Solent News & Photo Agency)

Pigeons cool down at a public fountain on a hot summer day at University Plaza in downtown Bucharest, Romania, 10 June 2020. Temperatures in Bucharest reached 30 degrees Celsius. (Photo by Robert Ghement/EPA/EFE)

Demonstrators made barricades during clashes with police following a protest condemning the arrest of rap artist Pablo Hasél in Barcelona, Spain, Thursday, February 18, 2021. The imprisonment of a rap artist for his music praising terrorist violence and insulting the Spanish monarchy has set off a powder keg of pent-up rage this week in Spain. (Photo by Emilio Morenatti/AP Photo)

Pilots of the Royal Saudi Air Force Hawks aerobatic team perform during a show in Kuwait City on February 26, 2023 as the Gulf state marks its 62nd Independence Day and 32nd anniversary of the end of the Gulf war with the liberation of Kuwait from Iraqi occupation. (Photo by Yasser Al-Zayyat/AFP Photo)

A painted stork eats a fish as it is pictured in the Delhi Zoo in New Delhi on December 5, 2024. (Photo by Sajjad Hussain/AFP Photo)

A walrus takes centre stage after barging another out of the way to be in a photograph in Svalbard, between mainland Norway and the North Pole in January 2025. (Photo by Olav Thokle/Syndicated Photos/Solent News)

An egret in the second decade of April 2025 cools off in the Florida heat by gular fluttering, rapidly vibrating its throat muscles with an open beak. The mechanism helps to dissipate heat through evaporation. (Photo by Ronen Tivony/ZUMA Press Wire/Alamy Live News)

Drone photo of a dead humpback whale at Foelle Strand in Loegten Bay, Djursland, Denmark, on April 2, 2025. (Photo by Mikkel Berg Pedersen/Ritzau Scanpix via Reuters)