This family of warthogs regularly visited our campsite in the Ethiopian highlands so I set up a remote camera with a wide-angle lens to photograph them as they rummaged around for food. They just had a mud bath. (Photo by Will Burrard-Lucas/Caters News Agency)

A man bathes at a roadside in a market area after authorities in the capital ordered a weekend curfew, following the rise in the coronavirus disease (COVID-19) cases, in the old quarters of Delhi, India, January 8, 2022. (Photo by Adnan Abidi/Reuters)

A woman reacts after she mades a wreath of flowers during the celebrations of the Kupala night in Pyrohiv, near Kiev, on July 6, 2021. During the celebration, an ancient slavic ritual related to the summer solstice, people wear wreaths, jump over fires and bathe naked in rivers and lakes. (Photo by Sergei Supinsky/AFP Photo)

A Hindu devotee takes a holy bath on the banks of the Bagmati River on the occasion of Rishi Panchami at the end of the three-day long Teej Festival, in which Hindu women fast during the day and pray for the long lives for their husbands, in Kathmandu on September 1, 2022. (Photo by Prakash Mathema/AFP Photo)

A Rohingya refugee bathes at a temporary shelter after arriving by boat in Laweueng, Aceh province on December 27, 2022. Rohingya refugees received emergency medical treatment after a boat carrying nearly 200 people came ashore in Indonesia on December 27, authorities said, in the fourth such landing in the country in recent months. (Photo by Chaideer Mahyuddin/AFP Photo)

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)

North Korean girls in similar bathing suits stand under a shower at the Songdowon International Children's Camp, Tuesday, July 29, 2014, in Wonsan, North Korea. The camp, which has been operating for nearly 30 years, was originally intended mainly to deepen relations with friendly countries in the Communist or non-aligned world. But officials say they are willing to accept youth from anywhere – even the United States. (Photo by Wong Maye-E/AP Photo)

Japanese Macaque monkeys soak in the warmth of mountain hotsprings at Jigokudani Monkey Park, in Yamanouchi, central Japan, 19 January 2014. The Japanese Macaques (Macaca fuscata), also referred to as Snow Monkeys, live freely in this area that is covered by snow one third of the year. Jigokudani is the only known place in the world where monkeys bathe in natural hot springs. As a habit, they come down from the mountains where they spend the night and bath during the day. (Photo by Kimimasa Mayama/EPA)