A dog welcomes a volunteer at the “Ping An A Fu” (“Safe and Happy”) Homeless Animals Rescue Center on September 11, 2006 in Nanjing of Jiangsu Province, China. (Photo by China Photos/Getty Images)

A guard dog in the suburbs of Yakutsk, Russia, considered to be the coldest city in the world, January 2014. (Photo by Amos Chapple/REX Features)

A dog walker on Longsands beach before sunrise in Tynemouth, UK on April 1, 2016. (Photo by Owen Humphreys/PA Wire)

A resident brings his dog that uses a mask in Jakarta, Indonesia, on May 12, 2020. (Photo by Jefta Images/Barcroft Media via Getty Images)

A Pomeranian dog sits in a rolling pet carrier in Hong Kong, China on September 4, 2019. (Photo by Kai Pfaffenbach/Reuters)

A greyhound dog dressed up in a festive costume on Buchanan Street in Glasgow on December 24, 2023. (Photo by Michael McGurk/Rex Features/Shutterstock)

A ceramic dog sleeps next to the gravesite of “Moses” at the Aspin Hill Memorial Park in Aspen Hill, Maryland August 25, 2015. Established in 1921, Aspin Hill contains the graves of more than 50,000 animals, from movies stars to WWI heroes to the dogs of former FBI Director J. Edgar Hoover. National Dog Day is celebrated in the United States on August 26. (Photo by Gary Cameron/Reuters)

Police officers introduce a litter of golden retriever puppies to be trained as police dogs during a ceremony at the National Police Academy in La Paz, Bolivia, Monday, August 16, 2021, the date of the feast day for Saint Roch, considered the patron saint of dogs, among other things. (Photo by Juan Karita/AP Photo)