File:Kanehri Caves Water Management System 9.jpg
The system create a self-sustaining environment within the caves despite being located in a semi-arid region prone to seasonal variations in water availability.
Kanehri caves are ancient Buddhist rock-cut caves ( 1 to 10 CE) located at Mumbai India.
Ref:
https://www.academia.edu/2624271/Water_Management_System_at_Kanherihttps://en.wikipedia.org/key/Kanheri_Caves