Students at the Kharkiv Regional Center for Training Citizens for National Resistance undergo tactical training in field conditions in Kharkiv region, Ukraine on November 15, 2025. During these classes, students work in small groups to develop practical skills in tactical and firearms training, mine safety, military topography, and other subjects included in the civilian training program. Students in the state civilian training program include school teachers, municipal employees, community activists, and others. (Photo by Serhii Masin/Anadolu via Getty Images)

Kilgore College Rangerettes perform in front of spectators during London's New Year's Day Parade in London, United Kingdom on January 01, 2025. The annual parade attracts 500,000 audience lining the streets in central London to watch performances by 10,000 participants from the USA, UK and Europe. (Photo by Wiktor Szymanowicz/Anadolu via Getty Images)

Undated handout photo issued by Guinness World Records of Fabio Reggiani from Italy who has made it into the Guinness Book of World Records for constructing the worlds largest rideable motorcycle measuring 5.10 meters (16ft 8.78 in) from the ground to the top of the handlebars. Six times larger than a normal motorcycle, it's 10.03 m long, 2.5 m wide, and weighs approximately 5,000 kg (5 tonnes). (Photo by Guinness World Records/PA Wire)

Andrea Petkovic of Germany in action against Sara Errani of Italy during day one of the Mutua Madrid Open tennis tournament at the Caja Magica on May 3, 2014 in Madrid, Spain. (Photo by Julian Finney/Getty Images)

This picture was taken in the 1890's and shows a group of loggers hauling a heavy load. It is hard to even picture how they got the logs stacked that high. It is also hard to imagine how they keep it from tipping over.

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)

A young exhibitor arrives with her kitten on a lead at the National Cat Club show at Crystal Palace, London. (Photo by Fox Photos/Getty Images). 2nd December 1931

Police walk past a burning car during riots in Birmingham City Centre on August 8, 2011 in Birmingham, England. After three nights of rioting and looting in and around London, the chaos is starting to spread to other cities around Britain. (Photo by Jeff J Mitchell/Getty Images)