Where is the falaj water system?

The falaj water system is primarily found in Oman, where it has been used for centuries to irrigate agricultural land and provide water to communities. This ancient irrigation system channels water from underground aquifers or rivers through a network of open canals and tunnels. It is recognized for its sustainable water management practices and is an important part of Omani heritage, with several sites listed as UNESCO World Heritage. Similar systems can also be found in other parts of the Arabian Peninsula and the Middle East.