Persia had AC before ELECTRICITY #history

No fuel, no plug, no bill. For centuries the desert sun lost to a tower made of mud. Sources - S. Roaf, "Badgir", Encyclopaedia Iranica: https://iranicaonline.org/articles/badgir-traditional-structure-for-passive-air-conditioning - M. Bahadori, "Passive Cooling Systems in Iranian Architecture", Scientific American 238(2), 1978 - Windcatcher: https://en.wikipedia.org/wiki/Windcatcher - Dowlatabad Garden, Yazd: https://en.wikipedia.org/wiki/Dowlatabad_Garden - Historic City of Yazd, UNESCO: https://whc.unesco.org/en/list/1544 - Moosavi & Vakilinezhad, sardab cellars in Yazd houses, J. Heat and Mass Transfer Research (2021): https://journals.semnan.ac.ir/article_4714.html - IEA, The Future of Cooling (2018): https://www.iea.org/reports/the-future-of-cooling Music by Kevin MacLeod (incompetech.com), licensed under Creative Commons: By Attribution 4.0 License (http://creativecommons.org/licenses/by/4.0/): "Desert City". Sound effects: Kenney (kenney.nl) and Freesound contributors (CC0).