Two holidaymakers amuse themselves with a porter's trolley whilst waiting for their train at Euston Station, London, 5th August 1939. (Photo by A. J. O'Brien/Fox Photos/Getty Images)
Heimana Reynolds of USA in action during a training session prior to the World Skate Park World Championships at the Parque Candido Portinari in Sao Paulo, Brazil, 11 September 2019. (Photo by Sebastião Moreira/EPA/EFE)
Military volunteers and civilians take a shooting training at a range in Rostov region on November 11, 2022, amid the ongoing Russian military action in Ukraine. (Photo by AFP Photo/Stringer)
Members of contemporary circus group perform inside the subway train, amid the energy crisis in Prague, Czech Republic on March 2, 2023. (Photo by David W. Cerny/Reuters)
A lenticular cloud is seen during sunrise from Gokmen Aerospace Training Center (GUHEM) in Bursa, Turkiye on January 19, 2023. (Photo by Halit Mirahmetoglu/Anadolu Agency via Getty Images)
Celera Barnes of the United States trains during a warm up session before the start of the World Athletics Indoor Championships at the Emirates Arena in Glasgow, Scotland, Thursday, February 29, 2024. (Photo by Bernat Armangue/AP Photo)
American paratroopers from the the 82nd Expeditionary Rescue Squadron take part in training for rescue operations in East Africa in the last decade of April 2024. (Photo by Senior Airman Olivia Gibson/US Air Force/CMA)