Warthog (Phacochoerus aethiopicus) mud bathing, Ngorongoro Crater, Tanzania, East Africa, Africa

Hot springs and mud pools, Salar de Uyuni, Bolivia, South America

Female African elephant (Loxodonta africana) rubbing her eye while mud bathing, Addo Elephant National Park, South Africa, Africa

Female African elephant (Loxodonta africana) mud bathing, Addo Elephant National Park, South Africa, Africa

African Elephant (Loxodonta africana), male, Ngorongoro Conservation Area, Tanzania, East Africa, Africa

Warthog (Phacochoerus aethiopicus) mud bathing, Ngorongoro Crater, Tanzania,East Africa, Africa

Hot springs and mud pools, Aguas Calientes, Southwest Highlands, Bolivia, South America

Group of African elephant (Loxodonta africana) mud bathing, Addo Elephant National Park, South Africa, Africa

African Elephant (Loxodonta africana), male mud bathing, Ngorongoro Conservation Area, Tanzania, East Africa, Africa

Hippopotamus (Hippopotamus amphibius), Masai Mara, Kenya, East Africa, Africa

Water rich in blue-green algae (cyanobacteria), mineral salts and fine silica mud at the geothermal spa that owes its existence to the Svartsengi geothermal power plant, Blue Lagoon, near Reykjavik, Iceland, Polar Regions

Water rich in blue-green algae (cyanobacteria), mineral salts and fine silica mud at the geothermal spa that owes its existence to the Svartsengi geothermal power plant, Blue Lagoon, near Reykjavik, Iceland, Polar Regions

Water buffalo in mud pool in rice field, Sagada Town, The Cordillera Mountains, Benguet Province, Luzon, Philippines, Southeast Asia, Asia

One Horned Rhino, Kaziranga National Park, Assam, India, Asia

Bathers enjoying the therapeutic benefits of the volcanic mud in the hot spring pool, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe

One Horned Rhino, Kaziranga National Park, Assam, India, Asia

African elephants (Loxodonta africana) at waterhole, Nxai Pan National Park, Botswana, Africa

One Horned Rhino, Kaziranga National Park, Assam, India, Asia

African elephants (Loxodonta africana) at waterhole, Nxai Pan National Park, Botswana, Africa

African elephants, Loxodonta africana, bathing, Etosha National Park, Namibia, Africa

African elephant, Loxodonta africana, bathing in water, Greater Addo National Park, South Africa, Africa

African Elephant sprays itself with muddy water to keep cool during a heatwave, South Luangwa National Park, Zambia, Africa

Wattled starlings (Creatophora cinerea) in a water pool, Tsavo, Kenya, East Africa, Africa

African Elephant throws mud on its back to cool, South Luangwa National Park, Zambia, Africa

African elephant, Loxodonta africana, bathing and covering itself in mud, Greater Addo National Park, South Africa, Africa

African elephants (Loxodonta africana), Khwai Concession, Okavango Delta, Botswana, Africa

Cape buffalo, Syncerus caffer, mud-bathing, Addo Elephant National Park, South Africa, Africa

Warthog (Phacochoerus aethiopicus) mudbathing, Mkhuze game reserve, KwaZulu-Natal, South Africa, Africa

Warthog (Phacochoerus aethiopicus) mud bathing, Addo Elephant National Park, South Africa, Africa

African elephants (Loxodonta africana), Khwai Concession, Okavango Delta, Botswana, Africa

African elephant Loxodonta africana) mudbathing, Addo Elephant National Park, South Africa, Africa

Cape buffalo, Syncerus caffer, mud-bathing, Addo Elephant National Park, South Africa, Africa

African elephants (Loxodonta africana), Khwai Concession, Okavango Delta, Botswana, Africa

African elephants (Loxodonta africana), Khwai Concession, Okavango Delta, Botswana, Africa

Elephant (Loxodonta africana) mudbathing, Etosha National Park, Namibia, Africa

Girl bathing in one of the famous fanghi (mud pools), Vulcano Island, Eolian Islands (Aeolian Islands), Italy, Mediterranean, Europe

Ritual bathing, River Ganges, Varanasi, Uttar Pradesh state, India, Asia

Mud bath at Vulcano island, Eolie Islands, Sicily, Italy, Europe

Tourists bathing in mud bath, Volcan de Lodo El Totumo, Mud Volcano, Colombia, South America

Dalyan mud baths, Dalyan, Anatolia, Turkey, Asia Minor, Eurasia

Tourists bathing in mud bath, Volcan de Lodo El Totumo, Mud Volcano, Colombia, South America

Mud bath, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe

Fiesta del Charco, Festivity of the Pond, funny and muddy fishing competition, early in September, San Nicol·s de Tolentino, Gran Canaria, Canary Islands, Spain

Mud Bath Relaxation, Dalyan River Mud Baths, Dalyan River, Turkish Aegean, Turkey

Mud-Faced Man, Mud Bath Relaxation, Dalyan River Mud Baths, Dalyan River, Turkish Aegean, Turkey

A group of men in the water, The Pond Holiday, El Charco, San Nicolas de Tolentino, Gran Canaria, Canary Islands, Spain

The Pond Holiday, El Charco, San Nicolas de Tolentino, Gran Canaria, Canary Islands, Spain

People bathing in the mud, Dalyan River, Turkey, Europe

Tourists smeared with salty mud from the Dead Sea, near Suwaymah, Jordan, Middle East, Orient

Tourists smeared with salty mud from the Dead Sea, near Suwaymah, Jordan, Middle East, Orient

Tourists smeared with salty mud from the Dead Sea, near Suwaymah, Jordan, Middle East, Orient

Brown hyena (Hyaena brunnea) at waterhole after mud bath, Kgalagadi Transfrontier Park, Northern Cape, South Africa, Africa

Hippo (Hippopotamus amphibius) bathing in mud, animal portrait, Queen Elisabeth National Park, Uganda, Africa

Elephant (Loxodonta africana), Sheldrick's Elephant Orphanage, orphanage for elephants, Nairobi Game Park, Kenya, Africa

Common warthog (Phacochoerus africanus), bathing in mud, Kasane, Botswana, Africa

African elephant (Loxodonta africana) female having fun at waterhole, Etosha National Park, Namibia, Africa

African elephant (Loxodonta africana) female having fun at waterhole, Etosha National Park, Namibia, Africa

Water buffalo (Bubalis bubalis), adult in water, bathing, Bundala National Park, Sri Lanka, Asia

A woman is healed in the mud baths of Espinoza, Mexico.Twice a year the faithful visit Espinazo, a small dusty village and birthplace of El Nino Fidencio, one of the most revered healers in North East Mexico. Although he died in the 1940s people believe certain priests known as Materias can channel his healing gifts and cure people. During the anniversary of his birth and death over 100,000 people take part in the celebration by giving thanks at his gravesite or bathing and getting healed in mud baths.

A man is baptized in the healing mud of Espinoza, Mexico.Twice a year the faithful visit Espinazo, a small dusty village and birthplace of El Nino Fidencio, one of the most revered healers in North East Mexico. Although he died in the 1940s people believe certain priests known as Materias can channel his healing gifts and cure people. During the anniversary of his birth and death over 100,000 people take part in the celebration by giving thanks at his gravesite or bathing and getting healed in mud baths.

An old man is healed in the mud baths of Espinoza, Mexico.Twice a year the faithful visit Espinazo, a small dusty village and birthplace of El Nino Fidencio, one of the most revered healers in North East Mexico. Although he died in the 1940s people believe certain priests known as Materias can channel his healing gifts and cure people. During the anniversary of his birth and death over 100,000 people take part in the celebration by giving thanks at his gravesite or bathing and getting healed in mud baths.

European or Eurasian wild boar (Sus scrofa) lying in the water, Spain

African bush elephant Loxodonta africana mud bathing in Kruger National park, South Africa

African Buffalo (Syncerus caffer) mud bath, Lake Mburo National Park, Uganda

Spotted hyena bathing, East Africa