UTL is about exploring past, present and future urban technologies in science and fiction, etc...
https://www.youtube.com/watch?v=DlHnlhuceuo
https://en.wikipedia.org/wiki/Shibam
https://cultureroadtravel.com/visit-shibam-yemen-the-ancient-manhattan-of-the-desert/
https://hiddenarchitecture.net/shiba/
https://whc.unesco.org/en/list/192/