Tunneling work from China Railway Tunnel Group was in progress at the site when groundwater breached the site leading to the cave in.
A huge sinkhole engulfed a Shanghai roadway in seconds, CCTV footage showing tarmac crumple as cracks tore through nearby structures.
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What causes sinkholes, and are cities seeing more?
More than 80 percent of known land subsidence in the US is associated with groundwater use, a mute reworking which frequently remains unseen until pavement cracks or a yard sinks into a novel pit.
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Ominous warning to humanity as nearly 700 huge sinkholes consume Turkey mirroring biblical prophecy
Gigantic sinkholes hundreds of feet deep have been opening up throughout Turkey, mirroring a biblical prophecy. The Book of Numbers, Chapter 6, describes the earth opening up and swallowing people as ...
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