Shaolin martial arts students perform Kung Fu suspended on wires in a rehearsal for a live-action night show in Zhengzhou, Henan province, China on April 28, 2018. (Photo by Reuters/China Stringer Network)

Tightrope walker Tatian-Mosio Bongonga hangs from a tightrope as she pauses while scaling the Monmartre hill towards the Sacre Coeur Basilica (not pictured) in Paris, France, July 20, 2018. (Photo by Philippe Wojazer/Reuters)

Chase Outlaw dodges Cochise after being bucked off in the final round of the PBR Unleash the Beast bull riding event at Madison Square Garden on January 06, 2019 in New York City. (Photo by Sarah Stier/Getty Images)

Metropolitan Transit Authority (MTA) Police Officer Keith Flood trains with his K-9 partner Doc, a German Shepherd, inside the “warehouse room” at the new MTA Police Department Canine Training Center in Stormville, New York, U.S., June 6, 2016. (Photo by Mike Segar/Reuters)

Ryon Healy #25 of the Oakland Athletics is covered in water by Adam Rosales #16 after he hit a walk-off home run in the ninth inning against the Detroit Tigers at Oakland Alameda Coliseum on May 7, 2017 in Oakland, California. (Photo by Ezra Shaw/Getty Images)

A German special anti-tank gun is ready to fire during the army maneuvers in Silesia, Poland, on September 22, 1928. (Photo by AP Photo)

An Afghan hound arrives for the second day of the Crufts Dog Show in Birmingham, Britain March 9, 2018. The annual four-day event sees around 22,000 pedigree dogs visit the centre, before the “Best in Show” is awarded on the final day. (Photo by Darren Staples/Reuters)

In this Tuesday, March 20, 2018 photo, a Vampire Bat drinks bovine blood in the Criaturas de la Noche (Creatures of the Night) Bat House, the Audubon Zoo's new night house in New Orleans. The various species are all from Central and South America, and the building's interior simulates an abandoned warehouse set up to protect Mayan artifacts during a dig. (Photo by Gerald Herbert/AP Photo)