https://atlasobscura.herokuapp.com/places/elliq-qala
Elliq-Qala in Beruni | Atlas Obscura
These "50 Fortresses" have been unearthed in the ancient oasis of Khwarezm.
elliqqalaatlasobscura
https://ismi.mpiwg-berlin.mpg.de/bibcite/reference/15777
Matematika v astronomicheskikh trudakh Beruni | ISMI
matematikavismi