Banaue mud-walled rice terraces of Ifugao culture, UNESCO World Heritage Site, Cordillera, Luzon, Philippines, Southeast Asia, Asia

A man stands in the entrance of his mud walled house near Kaptai Lake, Chittagong Hill Tracts, Bangladesh, Asia

A girl from Rangamati sits outside her mud walled house near Kaptai lake, Chittagong Hill Tracts, Bangladesh, Asia

Transplanting rice on the mud-walled terraces, Banaue, Ifugao, Cordillera, Luzon, Philippines, Southeast Asia, Asia

Mud-walled houses, Mopti, Mali, Africa

Sunlight streaming into traditional mud walled kitchen with wood fire, woman making chai, plastic rice sieve, Kadana, Gujarat, India, Asia

Sunlight streaming into mud walled kitchen, woman making chai, pot on wood fire, rice shaker on the floor, Kadana, Gujarat, India, Asia

Woman at the door of traditional mud walled Odisha village house decorated with traditional Odishan patterns, Dandasahi, Odisha, India, Asia

Tribal village women laying out their tribal embroidery outside mud walled houses in their tribal village, Kachchh, Gujarat, India, Asia

Backs of tall mud brick houses showing holes in the wall for toilets, the walled city of Shibam, UNESCO World Heritage Site, Wadi Hadramaut, south Yemen, Middle East

Backs of the tall mud brick houses on the south side of the walled city of Shibam, UNESCO World Heritage Site, in the Wadi Hadramaut, south Yemen, Middle East

Camels, with the backs of the tall mud brick houses on the south side of the walled city of Shibam beyond, UNESCO World Heritage Site, Wadi Hadramaut, south Yemen, Middle East

A Tourist Walks Along The Famous Mud-Walled Rice Terraces In The Cordillera Region Near Banaue; North Luzon, Philippines