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.
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.
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 ...