Wild Galapagos tortoise (Geochelone elephantopus), Santa Cruz Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Cape buffalo (Syncerus caffer) on the banks of the Chobe, Chobe Game Reserve, Botswana, Africa

Portrait of woman carrying water, with her face painted to protect the skin from the sun, Isalo, Madagascar, Africa

Cape buffalo (Syncerus caffer), Kruger National Park, South Africa, Africa

Cape buffalo (Syncerus caffer), Kruger National Park, South Africa, Africa

White rhino (Ceratotherium simum) with muddy face, Mkhuze game reserve, KwaZulu-Natal, South Africa, Africa

Portrait of a Worship man with a muddy face during Loei Peetakhon festival in Thailand, Southeast Asia, Asia

Hamer tribe in Ethiopia

Hamer tribe in Ethiopia

Afghan boy in front of a stove

Senior woman inside a mud hut, Yanfolila, Sikasso Region, Mali

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

Mud buildings under a rock face at the region of the Dogon people, La Falaise da Bandiagara, Mali, Africa

Mud buildings under a rock face at the region of the Dogon people, La Falaise da Bandiagara, Mali, Africa

Woman having skincare treatment

African Bush Elephant or Savanna Elephant (Loxodonta africana), Moremi Game Reserve, Botswana, Africa

Woman takes a mud bath treatment, Rapolano, Tuscany, Italy

Woman takes a mud bath treatment, Rapolano, Tuscany, Italy

Man with mud on face floating in Dead Sea, Madaba Governorate, Jordan

Close-up of a common warthog (Phacochoerus africanus) lying on its stomach in the mud at a waterhole next to a butterfly at the Gabus Game Ranch; Otavi, Otjozondjupa, Namibia

Close-up of an African bush elephant (Loxodonta africana) drinking from grassy waterhole with its trunk curled into its mouth on the savanna in Etosha National Park; Otavi, Oshikoto, Namibia

Portrait of a common warthog (Phacochoerus africanus) standing in the mud at a waterhole and looking at the camera at the Gabus Game Ranch; Otavi, Otjozondjupa, Namibia

Two common warthogs (Phacochoerus africanus) lying in a muddy waterhole on the stony ground on the savanna at the Gabus Game Ranch; Otavi, Otjozondjupa, Namibia

Close-up of an African bush elephant (Loxodonta africana) drinking from grassy waterhole with its trunk curled into its mouth on the savanna in Etosha National Park; Otavi, Oshikoto, Namibia