There is a sheer otherworldliness to the Islamic Republic of Iran, a place in which, at least for most of us, is likely to produce more than a mild culture shock.
Conditions
The weather in the Alborz Mountains of Iran is so strange that in Tehran's wealthier districts to the north of the city it can be dumping while the rest of the city enjoys bluebird conditions. Hence, Shemshak and Dizin frequently get great snow, but Iran's southerly latitude and warmer climate means that it can melt very quickly.