While many of us would pay good money for a spa mud bath, these fortunate hippos in South Luangwa National Park, Zambia, have nature to thank as they take a plunge in a lagoon in the second decade of February 2024. (Photo by Dimitar Nedelchev/Solent News)

American dancer and model Dita von Teese performs a strip-tease, 23 October 2006 at the Crazy Horse saloon in Paris. Von Teese is giving eight performances of her show “the bath” at the famous Parisian cabaret. (Photo by Francois Guillot/AFP Photo)

From the waters edge a New York policeman urges two young children to put their bathing costumes back on. (Photo by Ed Clarity/Keystone/Getty Images). July 1949

Gina Labianca (L) tries on a super woman outfit as Charlie Lucas tries a snow white Costume at the Halloween MegaStore Miami Beach on October 21, 2011 in Miami Beach, Florida. The megastore is a temporary location for the store which opened for the holiday to sell costumes, masks and other items to people needing to dress up for the evening of October 31 when costumed people around the world observe the day. (Photo by Joe Raedle/Getty Images)

People ride bicycles in Halloween costumes during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. “Bike Kill” is an annual gathering of builders and riders of home-made bicycles that culminates in a tall bike jousting competition. (Photo by Stephanie Keith/Reuters)

Dogs and humans dressed in all manner of costume participate in the 32nd Annual Tompkins Square Halloween Dog Parade inside Tompkins Square Park on October 22, 2022 in New York City. (Photo by Andrew Schwartz/Splash News and Pictures)

Tom Kaulitz and Heidi Klum attend Heidi Klum's 20th Annual Halloween Party presented by Amazon Prime Video and SVEDKA Vodka at Cathédrale New York on October 31, 2019 in New York City. (Photo by Craig Barritt/Getty Images for SVEDKA)

Korean Air flight attendants photograph a therapy dog dressed in a Superman Halloween costume, as part of a program to de-stress passengers at the international boarding gate area of LAX airport in Los Angeles, California, United States, October 27, 2015. (Photo by Lucy Nicholson/Reuters)