You'll have to search through it yourself to see which ones you like and which ones are active at the time. Remember that Iran is 9-12 hours ahead of the US, so it is DARK there when it is daylight here. So if you don't see anything on a particular cam, it could be because it is nighttime and the camera is not fitted with a night-vision lens.
Here is another one for Iran that I have found; doesn't seem to be streaming though:
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