These underground aqueducts, built thousands of years ago suffer no evaporation loss and are ideally suited for drinking water since there is no pollution danger.
It is considered an underground aqueduct and brought fresh water to Pythagoreion for roughly a thousand years.
The cisterns are fed by a spring located 200 metres away connected via an underground aqueduct.
Hot water was provided by underground aqueducts.
They also built an impressive system of underground aqueducts, known as puquios, that still function today.
Water for Roman Sebaste was provided by an underground aqueduct that led into the area of the forum from springs in the east.
From there, it travels south through an underground aqueduct to the Jerome Park Reservoir in the Bronx.
A large water treatment facility was built below the dam, and a cast iron underground aqueduct laid to Birkenhead.
Since ancient times, lush gardens have grown in the region due to an ingenious engineering system of underground aqueducts called qanats.
In front of the museum is an entrance to Canal de la Perla, an underground aqueduct recently rediscovered by accident and sometimes used for exhibitions.