This aerial photo shows bullet trains parked at a station in preparation for the upcoming Lunar New Year travel peak in Nanjing, in eastern China's Jiangsu province on January 27, 2021, as authorities have encouraged people to stay put during the Spring Festival to curb the spread of of COVID-19 coronavirus. (Photo by AFP Photo/China Stringer Network)

Cheetah Darcy enjoys her newly-developed Cheetah Territory that covers 10,000 square at Yorkshire Wildlife Park, near Doncaster, UK on Wednesday, August 16, 2023. Darcy, who is four-years-old, travelled from Ireland's Fota Wildlife Park to YWP last week where she will be joined by 13-year-old male Brooke who is on his way from the Bristol Zoo Project as a recommendation by the European Endangered Species Programme. (Photo by Danny Lawson/PA Images via Getty Images)

In this picture taken on September 5, 2023, students practice contortionism at the Flower Studio in Ulaanbaatar. Mongolian circus performers fly through the air of a cavernous hall inspectors have warned could collapse at any time, one of the few places left to train if they hope to travel the world with their country's spectacular big top shows. (Photo by Pedro Pardo/AFP Photo)

A clown nose is placed on a child's face during a protest opposing violence against women after the murder of Venezuelan actress and clown Julieta Inés Hernández Martínez in Rio de Janeiro, Brazil, Monday, January 8, 2024. The body of Hern·ndez, who had been missing since Dec. 23 while traveling by bicycle, was found in Presidente Figueiredo city, near Manaus in Amazonas state. (Photo by Bruna Prado/AP Photo)

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)

Jeff Friesen's photography project entitled 'The Canadian: Ghost Train Crossing Canada' appears to show a train crossing Canada - but, in fact, the train is just two inches tall. His work captures the travels of a scale model vintage 1955 streamliner passenger train against picturesque landscapes.

Democratic presidential candidate and US Vice President Kamala Harris reacts as she holds a photographer's camera while flying on Marine Two, on her way to O'Hare International Airport, Chicago, Illinois, on August 20, 2024. Harris is traveling to Milwaukee, Wisconsin, to speak at a campaign event. (Photo by Kevin Lamarque/Pool via AFP Photo)

A young boy plugs his ears as his sister (C) and nanny (L) watch from Gravelly Point Park as planes land at Reagan National Airport in Arlington, Virginia on June 29, 2017. President Donald Trump' s travel ban on people from six mostly Muslim countries will come into force late Thursday, as controversy swirls over who qualifies for an exemption based on family ties. (Photo by Jim Watson/AFP Photo)