What impact does the church(hagia sophia) have on a visitor

The Hagia Sophia was originally a church, but once conquered, Byzantium was ruled by Islam. The Hagia Sophia reflects the history of Constantinople, starting out as Christian and then once conquered, becoming Muslim. Today, much of the Hagia Sophia represents Islam with copious amounts of Arabic writing on the walls, and several Minarets surrounding it. The Hagia Sophia is one of the most beautiful buildings in the world

The answer is challenging and taxing because arduous means when something is hard and tiring and the excerpt provides clear detail why that's the answer