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It is. With an added bonus that the only way down here by land leads over more than one hundred stairs :)

That makes it so much more awesome! Like it requires effort by people to view it.

Are they trying to preserve it? Or will the allow it to decay naturally?

They are trying very much. The access to the area is limited to 100 persons at one time. You can't bring any food in into the Zone A region as they call it. So, they are trying their best to preserve it.