Aegean airlines air hostesses take selfies after a news conference in Athens, Wednesday, March 28, 2018. In a deal worth up to $5 billion, Greek airline Aegean says it will buy 30 new Airbus aircraft, with the option of an additional 12, to upgrade its fleet as the country expects to break tourism records. The signing of the final purchase agreement is expected in June. (Photo by Petros Giannakouris/AP Photo)

Private Harold L. Langhofer edges into the ball-turret, March 9, 1943. Curled in this position, he can turn the turret so that it fires in any direction. The turret can also be swung around so that the hatch opens into the plane, and the gunner can crawl into it while the Flying Fortress is in motion. (Photo by AP Photo)

Thousands of heavy-duty trucks loaded with coal are lined up for up to 130 kilometres from the Mongolia-China border on a sole road in the Gobi desert, Mongolia, October 29, 2017. The journey can take more than a week. (Photo by Bazarsukh Rentsendorj/Reuters)

Recruits carry ammunition during a military training at a firing range in the Rostov-on-Don region in southern Russia, on October 4, 2022. Russian Defense Minister Sergei Shoigu said that the military has recruited over 200,000 reservists as part of a partial mobilization launched two weeks ago. (Photo by AP Photo/Stringer)

It has become tradition in Wigan in Greater Manchester, United Kingdom for residents to go out on the town in fancy dress for Boxing Day on Sunday, December 26, 2021. Boxing Day is a holiday celebrated after Christmas Day, occurring on the second day of Christmastide. (Photo by Joel Goodman/London News Pictures)

People wearing face masks pose for a photo holding the flag of the Communist Party of China the Museum of the Communist Party of China (CPC) in Beijing, China, 14 October 2022. The CPC museum is a site devoted to permanent and comprehensive exhibitions of the party's history. (Photo by Wu Hao/EPA/EFE)

A woman holds a picture as people pray during a funeral, following a mass shooting at a day care centre, at Wat Rat Samakee, in the town of Uthai Sawan, in the province of Nong Bua Lam Phu, Thailand on October 9, 2022. (Photo by Jorge Silva/Reuters)

People watch a flock during the annual sheep parade, during which shepherds exercise their right to use traditional migration routes for their livestock from northern Spain to winter grazing pasture land in the southern areas of the country, on the streets of Madrid, Spain on October 23, 2022. (Photo by Violeta Santos Moura/Reuters)