I think the answer is that the Sumerian city was connected with religion because a ziggurat is a temple that is located in a sacred space and they are dedicated to a deity
The importation of salt was most important to the Egyptians. <span />
Vatican City, Italy the original wooden model of the dome of saint peter’s basilica (created by Michelangelo) is located
Hope this helped : D
Agra, India (The Taj Mahal) and Lahore, Pakistan (Badshahi Mosque)