Iranian culture is Persian culture, rich millennial culture. They are not Arabs, and they don't speak Arabic but Persian.\n
Impact the amount of people, completely unknown, welcoming you, greeting you as you walk, stopping to ask you where you are from, including women. Hospitality and being helpful are absolutely normal for them, without asking for anything in return.\n
The veil is required by law, although with the progressive government it is often a rather "relaxed" veil, coloured, resting lightly on the hair.
There are different religions: Islamic, in the majority, but also Christian, Jewish and Zoroarstrist, one of the oldest in existence.\n
The architecture of the places of worship is spectacular and the monuments and relics they are impressively old.\n
The big cities are not particularly interesting and the traffic is chaotic to say the least.