The city of Shibam, in the desert of Ramlat al-Sab'atayn, known as the first city on earth with a vertical masterplan and for its mudbrick-made high-rise buildings. Dating from the pre-Islamic period, it was the capital of the Hadramawt Kingdom and one of the three major cities of the Qu'aiti Sultanate. Yemen, 1941. Photographer unknown.
Source: bookofkhidr.com