A Ukrainian serviceman fires a 2S7 Pion self-propelled gun during military exercises near the village of Divychky in Kiev region, Ukraine, October 21, 2016. (Photo by Valentyn Ogirenko/Reuters)

Former Olympic gymnast Nastia Liukin performs a flip while throwing the ceremonial first pitch during a baseball game between the Los Angeles Angels and the Tampa Bay Rays, Friday, July 14, 2017, in Anaheim, Calif. (Photo by Jae C. Hong/AP Photo)

Performers ride atop a car leading to the the National Circus Day celebration in Santiago, Chile, Saturday, September 4, 2021, amid the new coronavirus pandemic. Chile's Culture Minister set the stage for the first circus performances with a ringside public since the beginning of the pandemic quarantine measures as the South American country looks to fully roll back almost all COVID-19 related restrictions. (Photo by Esteban Felix/AP Photo)

Jean Pierre Augustin falls out of the ring after being hit by Chris Arreola during a Premier Boxing Champions Heavyweight Bout at AT&T Stadium on March 16, 2019 in Arlington, Texas. (Photo by Tom Pennington/Getty Images)

Zurich soccer player Loris Benito tries to catch a marten during the Swiss Super League match between FC Thun and FC Zurich in Thun, Switzerland, March 10, 2013. (Photo by Marcel Bieri/Keystone)

Planes land in fog at Heathrow Airport, west London, as heavy fog covers a many parts of the south east, on April 1, 2014. (Photo by Steve Parsons/PA Wire)

Girls play in the water during the Balaton Sound music festival held on the shore of lake Balaton in Zamardi, west Hungary, on July 9, 2017. (Photo by Sandor Csudai/Rockstar Photographers)

Climate change activist Greta Thunberg reacts during a news conference during COP25 climate summit in Madrid, Spain, December 9, 2019. (Photo by Juan Medina/Reuters)