Sinkhole swallows building in Chinese city

The video tutorial explains how landscapes with limestone bedrock are affected by acidic groundwater, leading to the dissolution of rock and formation of cavities and caves. It discusses how vibrations from construction or the inability of caverns to support surface weight can cause collapses. The video also highlights warning signs of sinkholes, such as cracks in walls, pooling rainwater, and misaligned doors and windows.

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