Persian architects used these structures to naturally decrease temperatures, regulate sunlight, and ventilate the interior spaces during the daytime.
The etymology of the city name comes from the Kasian, the original inhabitants of the city, whose remains are found at Tapeh Sialk dating back 9,000 years; later this was changed to "Kashian", hence the town name.
In modern Persian, the word for a tile (kashi) comes from the name of the town.In the east side of the city Kashan opens up to the central desert of Iran which the city is famous for.Kashan is also known for Maranjab Desert and Caravanserai located near the namak lake (or salt lake).Creationist refutations of many of their claims are available on the Doubtless other readers of that webpage will have gained the same incorrect impression that you (and I, at first) got, namely that there exist people whose coccyxes (or ‘tailbones’) are longer than normal and form the core of a protruding and movable appendage, i.e. Such structures are of varied origin (some are teratomata); they practically never contain skeletal elements and are in no sense tails.’ Caudal appendages occur in around 1 to 3 people per thousand.
Most consist of skin and fatty tissue, and are located 1.5 centimetres from the midline of the back. The Bar-Maor paper discusses three patients, all children: As a modern embryology textbook notes, ‘Rarely a caudal appendage is found at birth.
Today Maranjab and the surrounding Shifting Sands is a popular destination at the weekends.