What's the difference between Persian and Arabic appearance?

Some people is easy to distinguish appearance wise like South-European VS North-European VS West-African VS East-Asian VS South-Asian for example. But I'm curious on what's the difference between Persian and Arabic appearance and if they've some common distinguishable features. I just know they've different languages and cultures. #Persian #Arabs
What's the difference between Persian and Arabic appearance?
Just grabbed a random picture to my question.
What's the difference between Persian and Arabic appearance?
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