The pool probably should not have been drained until the ground had a chance to drain. The weight if the water in the pool helps to support the wall againt the groundwater pressure.
No one really knows how the Mayan civilization collapsed. It collapsed around 900 A.D.
It seems you are referring not to any collapsed star, but a black hole. The "event horizon" is the area from which nothing can escape.
Many people suffer from flooding seasons around the world. It ruins possessions in the home, the structure, and crops if they are planted around the home. They must rebuild and that will take money to do.
This answer is opinion based, but the flooding is something that occurs naturally and the world has been living around it for a very long time. Flooding effects a lot of wild life and peoples homes, but over all, flooding is natural and we have to take appreciation of water into account because with out it we wouldn't even be here at all. I support flooding.
A collapsed lung is caused by air collecting in the space around your lungs. The lung cannot expand as it normally does due to the pressure caused from the buildup of air.
Yes. That is why the Egyptians settled around the river, because of the rich soil it provided from the flooding.
Countries around the world collapsed. (Apex)
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Their problem is lack of water support and there is lots of flooding going around.
It contains the entire collapsed star, however the star has collapsed to an infinitesimal point (or infinitesimally thin ring if its spinning) singularity, leaving everything around that totally empty except for warped spacetime (which is what causes gravity).
The land around it was worn away from flooding and other forms of erosion.
It depends where this forms. Many get cysts around a hair follicle. Those can be drained by the vet.