What is interesting about the site of The Great Mosque of Damascus?

Question

Quizplus · Accepted Answer

The Great Mosque of Damascus, also known as the Umayyad Mosque, is built on a site that has a long history of religious use. Before the mosque was constructed, the site was home to a Christian basilica dedicated to John the Baptist since the time of the Roman Emperor Constantine in the 4th century. This historical layering of religious significance makes the site particularly interesting.

What Is Interesting About the Site of the Great Mosque