Exterior of the Al-Muhdar Mosque, Islamic architecture, Tarim, in the Wadi Hadramaut (Hadhramaut), south Yemen, Middle East

Close-up of a goat in front of an ornate door in the walled city of Shibam, in the Wadi Hadramaut, Yemen, Middle East

Fertile fields and palm trees, with arid hills behind, near Tarim, in the Wadi Hadramaut, south Yemen, Middle East

Fort on hilltop at the Sultan's customs post, Tarim, in the Wadi Hadramaut, south Yemen, Middle East

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

Fields and date palms in the fertile valley of Wadi Doan, with arid escarpment behind, in the Wadi Hadramaut, south Yemen, Middle East

Shibam, UNESCO World Heritage Site, Hadramaut, Republic of Yemen, Middle East

Shibam, UNESCO World Heritage Site, Hadramaut, Republic of Yemen, Middle East

Khaylla, Khaylah village, Wadi Doan, Wadi Hadramaut, Yemen

Palace of the sultan, Sayun, Wadi Hadramaut, Yemen

Al-Kaff Palace Isch Schaa, holy city of Tarim, Wadi Hadramaut, Yemen