The Citadel of Erbil sits atop an almost perfectly circular tell rising c. 20-30 m above the surrounding city. 2 x vertical exaggeration. It ranks among the oldest continuously occupied human settlements in the world.
https://en.wikipedia.org/wiki/Citadel_of_Erbil
* Generator: [DEM Net Elevation API](https://elevationapi.com)
* Digital Elevation Model: [AW3D30 OpenTopography](https://opentopography.org/)
* Imagery: [MapBox Satellite Street](https://www.mapbox.com)