In this March 30, 2019 photo, Andrea Dovizioso of Italy falls from his bike during a Moto GP free practice run at the circuit in Termas de Rio Hondo, Argentina. Despite the fall Dovizioso raced in the third pole position on Sunday and finished in third place. (Photo by Nicolas Aguilera/AP Photo)

In this photo taken on Friday, July 14, 2017, a student at a paramilitary camp for children calls the rank to attention outside Kiev, Ukraine. As the deadly conflict in eastern Ukraine entered its third year, some parents in Ukraine are anxious to make sure their children are ready to fight it, instead of swimming and playing volleyball. (Photo by Efrem Lukatsky/AP Photo)

A tourist train is decorated with Christmas lights in Bogotá, Colombia on December 10, 2017. (Photo by Jaime Saldarriaga/Reuters)

Military policemen take part in an operation at Cidade de Deus favela in Rio de Janeiro, Brazil, on February 01, 2018. (Photo by Mauro Pimentel/AFP Photo)

John Cox, far left, begins his recall campaign for California governor with “Tag”, a Kodiak brown bear, on Tuesday, May 4, 2021 in Sacramento. It was the first stop for his “Meet the Beast” bus tour. (Photo by Renee C. Byer/The Sacramento Bee via AP Photo)

This photo taken on April 4, 2021 shows migratory birds flying over a wetland near the Yalu River in Dandong, in China's northeastern Liaoning province. (Photo by AFP Photo/China Stringer Network)

A calico sits in its enclosure and suns itself in Hessen, Germany on May 28, 2021. The Opel Zoo presents a walk-in Madagascar aviary for caltas and varis. The primate species is native to Madagascar and is threatened with extinction. (Photo by Andreas Arnold/dpa)

Medical staff administering the dose of Moderna COVID-19 Vaccine at the M A G Osmani Medical College & Hospital vaccination center in Sylhet, Bangladesh on July 26, 2021. (Photo by Md Rafayat Haque Khan/ZUMA Press Wire/Rex Features/Shutterstock)