Tower of silence in Yazd
The crypt or tower of silence is a place that Zoroastrians put their carrions in it that unto their beliefs are unclean and foul until dead meat is eaten by predators and birds and then stashed remainder of bones inside shaft, middle of crypt. These graves of crypts were from kind of clay and plaster not to reach to the earth contaminated materials and were built out of the city and villages consistently. Nearby these crypts, there were paitry structure of brick and mud in two floors that contained several rooms for religious ceremony after dying persons and in the meantime, one of these rooms was allocated to burn corpses.
Internal surface of crypt is also as a roundness area that has been carpeted by cobble all of it and has been divided in three parts with circle bands that terminal part is special for men, middle part, special for women and internal part, special for men. It’s interesting you know that in each crypt was nailed 4 large nails,36 medium nails and 360 small nails in the earth and also a small window was contrived in order to bring light to corpses from the first night to the third night after ceremony in the crypt wall. The fires that were located in a building adjacent to the crypt provided this light by turning on the fire in one of the rooms of their residency.
Reason of this affair was that Zoroastrians believed that the soul stayed escort of the body for 3 days and they wanted not to be dead person in gloom and loneliness by making the fire. One of these graves of crypts is located in 15 kilometer of south-eastern in Yazd in Safaeieh areas on the height of the high hill in the name of the crypt mountain and reputes Zoroastrians crypt, Tower of silence or Tower of calm that many tourists visit it every year.