Here is how it works: A person has collapsed unconscious on the ground.

VOA: special.2009.05.20

Here is how it works. A person has collapsed unconscious on the ground.

VOA: special.2009.06.09

There have been been occasions, they said, where parts of the ground moved or collapsed because of the wet conditions.

CNN: 2 children dead after gravel slide at Minnesota park

On Tuesday night, in another part of town, a building suddenly collapsed when the ground beneath it subsided, killing 25 people.

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RunningWolf said Dumpster Muffin collapsed on the ground three times after she left her perch in the redwood and sought medical attention afterwards.

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