The network of underground tunnels in the regular holes reaching up for the transportation of drinking water to the villages and to the irrigation system.
https://xissufotoday.space/2018/02/ancient-underground-city-of-kariz-e-kish-iran/
Composition “Cylinder Eight” belongs to the artist Chris Zabriskie. License: Creative Commons Attribution (https://creativecommons.org/licenses/by/4.0/).
The original version: https://chriszabriskie.com/cylinders/.
Completed by: https://chriszabriskie.com/