Seth Casteel is an award-winning photographer and the New York Times Best Selling Author of Underwater Dogs. His new book, Underwater Puppies, was published September 16, 2014. Photo: “Underwater Puppies”: Popcicle. (Photo by Seth Casteel)

In this Wednesday, December 2, 2015 photo, Dr. Gal Kelmer, head of the department of large animals, unties a horse after its operation at the University's Koret School of Veterinary Medicine in Rishon Lezion, Israel. “Horses have an instinctive response of flight from danger”, Kelmer said. “The minute they wake up they start trying to stand and run, even if they don't have control of their limbs. So then they fall”. (Photo by Oded Balilty/AP Photo)

Murad Khydyrov, horse and monkey trainer at the Great Moscow State Circus, and chimpanzee named Micky get ready for a rehearsal of the show called “History” as the circus prepares for its new season, which is to begin on September 19, in Moscow on September 17, 2020. (Photo by Natalia Kolesnikova/AFP Photo)

Indonesian women wearing masks as a precaution against the coronavirus outbreak sit at a food stall near a mural in Jakarta, Indonesia, Monday, September 21, 2020. (Photo by Dita Alangkara/AP Photo)

A CIT guard carries his gun handgun while bringing a bag containing cash inside an armoured vehicle during a money collection in Johannesburg's CBD, on December 8, 2020. As the Christmas festive season approaches, cash-in-transit (CIT) companies are gearing up as they continue to be target of crime, with about 3000 money vans traveling daily nationwide. Despite the COVID-19 lockdown, there have been 260 cash-in-transit heist incidents in South Africa this year, with 19 CIT crew members killed. Cash-in-transit heists in the country are often military-style planned operations with criminals recurring to bomb making and assault rifles attacks. (Photo by Michele Spatari/AFP Photo)

People cross waterlogged railway tracks next to a parked passenger train during heavy rains in Mumbai, India, June 9, 2021. (Photo by Hemanshi Kamani/Reuters)

A wave carrying plastic waste and other rubbish washes up on a beach in Koh Samui in the Gulf of Thailand on January 19, 2021. (Photo by Mladen Antonov/AFP Photo)

Nefertara, a supporter of pop star Britney Spears, wears an outfit inspired by the singer as she holds a picture of Britney that she painted, during a gathering on the day of a conservatorship case hearing at Stanley Mosk Courthouse in Los Angeles, California, U.S., September 29, 2021. (Photo by Mario Anzuoni/Reuters)