The vortex might be a variation of a trompe, a water-powered air compressor. The compressed air is in turn used as an airlift pump. new to me: https://en.wikip

The vortex might be a variation of a trompe, a water-powered air compressor. The compressed air is in turn used as an airlift pump. new to me: https://en.wikipedia.org/wiki/Trompe https://en.wikipedia.org/wiki/Trompe https://en.wikipedia.org/wiki/Airlift_pump https://en.wikipedia.org/wiki/Airlift_pump edit: the text version of the video refers a study that I don't have access to. https://primalnebula.com/the-engineering-of-the-alhambras-water-system/ https://primalnebula.com/the-engineering-of-the-alhambras-wa... The Mastery in Hydraulic Techniques for Water Supply at the Alhambra García-Pulido, Luis José Journal of Islamic Studies, Volume 27 (3) – Sep 1, 2016 https://www.deepdyve.com/lp/oxford-university-press/the-mastery-in-hydraulic-techniques-for-water-supply-at-the-alhambra-glnye9pQy1?articleList=%2Fsearch%3Fquery%3DThe%2BMastery%2Bin%2BHydraulic%2BTechniques https://www.deepdyve.com/lp/oxford-university-press/the-mast...