🕳️
Ground Collapse Hazard
A "🕳️" is a symbol that represents a sinkhole, which is a natural geological phenomenon characterized by a sudden collapse or depression in the ground surface. Sinkholes can form when underground water dissolves soluble rocks such as limestone or when the ground is unable to support its own weight. They can vary in size from small depressions to large craters and pose a potential hazard to structures and human safety.
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