The Circle of Ancient Iranian Studies
(CAIS) -- Iranian Archaeologists have begun work on unearthing the
Persepolis sewage system, which in ancient times diverted rainwater from the
platform to prevent flooding, reported the Persian service of ISNA on Tuesday.
to the news, apart from the sewage system, archaeologists have identified three
water and irrigation systems at Persepolis, which circulated water over the
platform. The sewage system, which is one of the most complex systems in the
ancient world, diverted excess water flowing down from Mount Rahamt, away from
Achaemenid engineers constructed and implemented the sewage system inside the
platform before construction of the citadel. The oldest sewage system at
Persepolis is dated to the reign of Darius the Great (r. 550-486 BCE).
believe that by unearthing and re-opening the ancient waterways and the sewage
systems, they will be able to resolve the flood issue that Persepolis has been
suffering from, particularly in the past few years.
Last year archaeologists warned the authorities that if no necessary measures were taken immediately to resolve the flood issue at Persepolis, the ancient edifice will cease to exit within 10 years.
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