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Experts
studying the structure of Falak ol-Aflak (Dež Bār
) castle have come to realize
that the Sasanid engineers equipped this ancient castle with a
dehumidifier system to prevent humidity penetrate into its foundations.
Falak ol-Aflak castle along with Shapoor-khast fortress is among the
most important structures built during the Sasanid era. The architecture
of this ancient castle is so outstanding that the experts believe it
deserves being included in the world heritage list. “We have found
some canals beneath the structure between the stone and rock strata
that, according to our studies, are dehumidifiers”, Abdol-azim Shah-karami,
an expert in geotechnique responsible for engineering studies in Falak
ol-Aflak, told CHN.
Previously, the experts believed these dehumidifier canals with a height
of more than 1 meter covering all the area beneath the castle were
hide-outs for the residents. Shah-karami said, “Due to being aware of
the changing climate in the region and the underground waters, the Sasanid
engineers have equipped the castle with a dehumidifier.”
Falak ol-Aflak castle is made with different materials like stone and
wood that are so vulnerable to humidity. That’s why, according to
Shah-karami, the castle was built on the highest point of the city of
Khoram-abad, so that the wind could penetrate the building and dry its
foundations.
The historical castle of Falak ol-Aflak with 8 towers, one of the
architectural symbols of Iran, shows off on top of a hill with the same
name. It dates back to the Sasanid era and has been continuously
restored during the Islamic period with its general form mostly
preserved.
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