[sandworm101]

>> Also NEVER walk on ground that has no vegetation.

There are also places on this planet where toxicity issues preclude vegetation. If there are fumes coming through the soil so powerful that grass doesn't grow, take the hint.

[sqeaky]

They mean never in the context of fleeing from these explosions.

My sidewalk has no vegetation, but that is because I weedwhacked on Tuesday not because a geyser 10 meters away is flash boiling water in a pressure vessel made of stone and glass shrapnel-to-be.