We have this canyon here. Many expensive houses are built right on the rim. The view is fantastic and they pay a huge premium price for it. However, the bottom of the canyon is full of large rocks that have broken off over the centuries. There are lots of cracks and setting a 100k pound house on top of one won't negate the affects of gravity a bit.

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“In a time of deceit telling the truth is a revolutionary act.”
― George Orwell

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