Windcatchers above an Earthen Desert City

Windcatchers above an Earthen Desert City is an original illustration set in Historic City of Yazd, Iran. It lies in the subtropics, where the climate is hot desert — evaporation far outruns rainfall.

A dense earthen city spreads beneath a hard desert sky, its rounded domes, thick buff walls, shaded alleys, and sunken courtyards interrupted by tall rectangular windcatcher towers. Several towers show open slots on more than one side, while a turquoise-tiled dome and a distant dry mountain ridge establish the wider setting.

Why do tall open towers rise above thick mud-brick houses in a hot desert city?

The high towers intercept moving air above the roofline and guide it into rooms and cellars, while deep courtyards and massive earth walls buffer the desert's daily heat swing. Partly covered lanes reduce direct sun, and qanat-fed cisterns historically supplied water where surface streams are absent. That linked system of wind, shade, thermal mass, and underground water is the climate logic of Yazd rather than decorative skyline-making.

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