Another Collapse in Saitama Pref. Road Connects Two Existing Sinkholes; Cause Apparently Was Sewer Pipe Corroded by Hydrogen Sulfide

cave-in
YASHIO, Saitama — the space between the two sinkholes that had already opened in a prefectural road in Yashio, Saitama Prefecture, collapsed early on Thursday morning and expanded into an even larger hole.

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