A caiman in the Pantanal region of Brazil in 2021. They are used to seeing humans, allowing the photographer, Leighton Lum, a close-up shot. (Photo by Leighton Lum/Caters News Agency)
Sukhoi Su-30SM jet fighters of the Russkiye Vityazi (Russian Knights) aerobatic team perform during a demonstration flight in Krasnoyarsk, Russia October 6, 2018. (Photo by Ilya Naymushin/Reuters)
Harris & Ewing Inc. photographed people, events, and architecture, particularly in Washington, D.C., during the period 1905-1945. Photo: Tests of Curtiss Palne for Army, Single Control. Created by Harris & Ewing. Published in 1912.
Delta CEO Ed Bastian talks about the century-old airline's past and technology such as generative artificial intelligence that he sees shaping its future during a Consumer Electronics Show (CES) presentation at The Sphere concert venue in Las Vegas on January 7, 2025. Delta on January 7 marked a century of flying with visions of a future in which artificial intelligence and internet age partnerships make air travel fun and seamless. (Photo by Glenn Chapman/AFP Photo)
Commuters travel in an overcrowded train near a railway station at Loni town in India's state of Uttar Pradesh on April 24, 2023. India is set to overtake China as the world's most populous country by the end of June, UN estimates showed on April 19, posing huge challenges to a nation with creaking infrastructure and insufficient jobs for millions of young people. (Photo by Arun Sankar/AFP Photo)
A pilot looks up from a U.S. F-22 Raptor fighter as it prepares to refuel in mid-air with a KC-135 refuelling plane over European airspace during a flight to Britain from Mihail Kogalniceanu air base in Romania April 25, 2016. (Photo by Toby Melville/Reuters)
Mercedes driver Nico Rosberg, right, of Germany steers his car in front of Mercedes driver Mercedes driver Lewis Hamilton of Britain, center and Ferrari driver Sebastian Vettel of Germany during the Austrian Formula One Grand Prix race at the Red Bull Ring in Spielberg, southern Austria, Sunday, June 21, 2015. (AP Photo/Kerstin Joensson)