Answer: Frescoes and carvings in high relief minarets and elaborate tile work
Explanation:
There are many common features found in Islamic Mosques all over the world, but here from the available options, the best available choice is frescoes and carvings in high relief minarets and elaborate tile work. Whenever you visit any Islamic Mosque, from very away distance you can easily see its minarets, which is one of the main common elements found in all Islamic Mosques all around the world. The minarets are made with different materials and their number can be varied from 1 to dozens but they are necessarily present in Mosques all around the world. There will be carvings and frescoes designs will be present in the minarets as well as in the Mosques inside structure. Islamic mosques always have some kind of elaborated tile works in it which can be presented on the walls, roof, minarets and even on the ground as well which give them a unique aesthetics.