Thanks guys for the nice comments, here is some more stuff just for you.
After hundred of years of being servants and slaves to the olden people the freedom the imprisoned nomads got from the mongols led them to start populating cities and leave the nomadic life behind. Their culture prospered dramatically due to strong commercial bonds to "India" and the other newly founded nations after the fall of the Olden Empire. Keeping certain rituals and habits from their nomadic ancestors the arab people began worshipping the sun as a monotheistic god.
The Headress of the pope in the very last image is taken from an Alexander McQueen collection. I used it only because I didn't have the time to sketch the intended idea, but aas its very similar I chose to take the image and tamper with it.