Claiming it as a historic item (which it is) through a document prevents common people to be affiliated with harming it. So by saying it is of significant history, citizens and tourists will not be able to do anything to jeopardize the natural landmark
True, New York city is the most visited city in the world.
Tectonic plates, although rigid, also move. And they move in rebound, because of the tremendous heat that comes out of the interior of our planet, which burns at 6.7500º C, almost like the sun. This fiery heat moves the mantle and consequently expands into the lithosphere and Earth's crust.
Id say <span>many people living in a small area</span>