Buyan, a male Siberian brown bear, cools down under a stream of water sprayed by an employee in an enclosure on a hot summer day, at the Royev Ruchey zoo in Krasnoyarsk, Russia on June 14, 2019. (Photo by Ilya Naymushin/Reuters)

Mercedes Russell #21 of the Seattle Storm defends Aliyah Boston #7 of the Indiana Fever during the first quarter at Climate Pledge Arena on June 22, 2023 in Seattle, Washington. (Photo by Steph Chambers/Getty Images)

A model prepares backstage before the Am/Jasmine collection by Chen Liang during the China Fashion week in Beijing on September 5, 2024. (Photo by Wang Zhao/AFP Photo)

People carry an empty coffin past a street food vendor into the shop that is buying it to repair and sell in Port-au-Prince, Haiti, Friday, September 13, 2024. (Photo by Odelyn Joseph/AP Photo)

A hummingbird drinks from a flower in a garden on the outfield lawn before a spring training baseball game between the Kansas City Royals and the Athletics, Monday, February 24, 2025, in Surprise, Ariz. (Photo by Lindsey Wasson/AP Photo)

Swiss pilot Bertrand Piccard prepares for a test flight of the solar-powered Solar Impulse 2 experimental aircraft in Payerne November 13, 2014. The aircraft, weighing 2.4 tons with a wingspan of 72 meters, is fitted with more than 17,000 solar cells. An attempt to fly around the world in stages using only solar energy will be made in 2015. (Photo by Ruben Sprich/Reuters)

A handout picture provided by Solar Impulse on 18 March 2015 shows the Swiss solar-powered plane Solar Impulse 2, HB-SIB, taking off with Swiss explorer Andre Borshberg on board for the third leg Ahmedabad to Varanasi, of the Round-The-World, in Ahmedabad, India, 18 March 2015. Swiss explorers Bertrand Piccard and Andre Borschberg attempt to circumnavigate the world flying with an aircraft, with a 72 metres wingspan, powered only by solar energy without a drop of fuel. (Photo by EPA/Solar Impulse)

Stunning images taken by Sean Lenz, 19, and Kristoffer Abligaard, 20, show picturesque waterfalls transformed into vibrant rainbows of colour. The awe-inspiring images were created by clever use of long exposure photography and glow sticks floating through water. Photo: Picturesque waterfalls transformed into rainbows of colour. (Photo by Sean Lenz/Kristoffer Abildgaard)