'Karez' Water Tunnels: Ancient, Spectacular and Sustainable
‘Karez’ are ancient, underground water tunnels found in hot, arid climates. They infiltrate the groundwater and bring it to the surface through gravity.
Thousands of years old, many Karez have now fallen into disuse. Many have dried up due to over-pumping of groundwater.
It is now being realized that this ancient technology is the most sustainable way to bring water to dry, desert areas. Some organisations (like IUCN in Balochistan) are making systematic efforts to rejuvenate them.
Shot in spectacular landscapes where Karez are found, these videos capture the science behind the structures and their value to the communities that built them.
Balochistan: Channelling the Current
Balochistan: Shells or Pearls
Karez in Kurdistan