The green and beautiful resort village of Niasar is located 28 kilometers west of Kashan, Iran.
The Niasar cave (called Reis Cave by locals) is thoroughly man-made, except for one or two natural chambers near the entrance openings. The cave is believed to be a Mitra temple (Mitra was ancient Persian religion). Its first cut possibly dates back to the Partian (Arsacid) era, 248 BCE – 224 CE. Most Mitra temples like the Niasar cave have been built in full darkness. This cave has other entrance openings, some of which are located inside a rock which separates the upper parts of Niasar from the lower neighborhoods.
Fresh air Current circulates throughout the cave. In order to walk in most passages, corridors and even in small chambers of the cave, one has to creep and crawl. Even in some parts, the path is so narrow that it is not possible for one to pass through without stooping.
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