The great mosque has a tall to mark the building's location and to allow the faithful to be called to prayer by a chanter.

The answer is:

Minaret

Explanation:

The minaret is a tall tower built in mosques with the objective to claim for the prayer's presence, to call their attention. The name "Minaret" means, in a free translation, "thin tower with balconies", and it was introduced for the first time in the 7th century AD.

        i think it is referred as the 8th wonder of the world because each of the terra cotta warriors was not the same. they each had many things with their physical stature, like different height, armor, and different characteristics, which were all different. what makes it interesting is that there were 8,000 soldiers in that tomb. so making that many soldiers for the emperor meant a-lot to the emperor. it means that their is strength in numbers now matter how different.

hope it : p