Fallen leaves cover the undergrowth as a commuter on a bicycle makes her way through the Tiergarten park in central Berlin on December 7, 2020. (Photo by Odd Andersen/AFP Photo)

Belgian Fran Vanhoutte celebrates as she crosses the finish line at the finals of the women's 500m +D speed skating event, at the World Games 2025, in Chenghdu, China, on Thursday 14 August 2025. This year, the World Games take place from 7 to 17 August. (Photo by Rex Features/Shutterstock)

Wedges of an orange generate enough current and electrical juice – 3.5 volts – to power an LED. The fruit’s citric acid helps electrons flow from galvanized nails to copper wire in this 14-hour exposure. This image was published in September’s Visions of Earth, a trio of photos that appear in each issue of National Geographic. (Photo by Caleb Charland/National Geographic)

Miniature spring-wound 35-mm film camera in a modified cigarette pack. The Tessina’s small size and quiet operation provided more options for concealment than most commercially available models. (Photo by Central Intelligence Agency)

A firefighter uses a saw to open a metal gate while fighting a fire in a convenience store and residence during clashes after the funeral of Freddie Gray in Baltimore, Maryland in the early morning hours of April 28, 2015. (Photo by Eric Thayer/Reuters)

Skeletons are arranged in a bar scene as part of a competition to create Day of the Dead altars on pedestrian Regina Street in central Mexico City, Tuesday, November 1, 2016. The holiday honors the dead as friends and families gather in cemeteries to decorate their loved ones' graves and hold vigil through the night on Nov. 1 and 2. (Photo by Rebecca Blackwell/AP Photo)

Festivalgoers are seen at the Coachella Music & Arts Festival at the Empire Polo Club, Sunday, April 16, 2023, in Indio, Calif. (Photo by Amy Harris/Invision/AP Photo)

In this photo provided by Britain's Ministry of Defense, on Monday, March 4, 2024, F-35B Lightning jets are parked at a flight deck of HMS Prince of Wales aircraft carrier of the Royal Navy, under the northern lights (Aurora Borealis) near the coast of Norway, Sunday, March 3, 2024. (Photo by UK Ministry of Defence via AP Photo)