U.S. first lady Melania Trump steps out of her motorcade vehicle as she departs Washington for a tour of several African countries from Joint Base Andrews, Maryland, U.S., October 1, 2018. (Photo by Carlo Allegri/Reuters)

People react as they ride an escalator on the London Underground during the “No Trousers Tube Ride” in London, Britain on January 7, 2024. (Photo by Hollie Adams/Reuters)

Competitors in the Big Air challenge at the Proryv-2016 festival of extreme sports in Moscow, Russia on March 27, 2016. (Photo by Xinhua/Rex Features/Shutterstock)

Beautiful, strange and occasionally alarming pictures from the shortlist for this year’s Wellcome image awards – which celebrate the very best in science photography and imaging – from an x-ray of a bat to a micrograph of a kidney stone. The exhibition opens on 12 March at three science centres and the Museum of Science and Industry in Manchester. Photo: Scanning electron micrograph (SEM) of an Arabidopsis thaliana flower, also commonly known as thale cress. Some of the anthers are open, revealing pollen grains ready for dispersal. Arabidopsis was the first plant to have its entire genome sequenced and is widely used as a model organism in molecular and plant biology. Horizontal width of image is 1200 microns. Magnification 100x. (Photo by Stefan Eberhard/Wellcome Images)

An orphaned giraffe nuzzling a wildlife keeper at Sarara camp in Kenya, one of 70 pictures being sold by Prints for Nature (printsfornature.com) to raise money for work by the Conservation International charity. This giraffe was rehabilitated and returned to the wild, as a number of others have done before him. Right now, giraffe are undergoing what has been referred to as a silent extinction. Current estimates are that giraffe populations across Africa have dropped 40 percent in three decades, plummeting from approximately 155,000 in the late 1980s to under 100,000 today. (Photo by Ami Vitale/National Geographic)

Jubilee Class steam locomotive 45596 Bahamas crosses the Forth Bridge on its way from Edinburgh Waverley to Aberdeen on a day trip operated by The Railway Touring Company on Wednesday, April 19, 2023. (Photo by Jane Barlow/PA Images via Getty Images)

Liberians stage a rally for justice in front of the Liberia National Police headquarters in Monrovia, Liberia, 12 April 2022. There has been reported rise in mysterious deaths, and mob justice incidents in the country, according to reports. United Voices Against Injustice, an advocacy group, stage a rally to seek proper justice for all the many mysterious deaths, most especially, those alarming ones of recent in Liberia. (Photo by Ahmed Jallanzo/EPA/EFE)

A couple shares a kiss as they celebrate New Year's Eve in central Istanbul's Taksim Square, in Istanbul, Monday, January 1, 2024. (Photo by Emrah Gurel/AP Photo)