C, an enormous road building project
When the price per square meter is high, real estate companies will build higher buildings, resulting more densely populated cities. When land is cheap, as in smaller cities and villages, people tend to build lower buildings and therefore cities will be less dense.
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
In the tropics where the Earth you have stood for the Sun to pass directly overhead that is passing through your Zenith at some time of the year. This id is also known to people as within +/- 23 degrees to the equator. Hence, the answer to the question is "on the topic or within +/- 23 degrees to the equator".
I think it’s
Stephens Passage, Alaska
I hope that helps!