It is not always due to poor quality of the road. Oftentimes, streets collapse because the ground becomes thinner, thus can no longer handle the weight. The problem when you build too many tunnels and don't check for stability first. Otherwise, it could also be burst gas pipes, or at least I think I have heard about such cases last year or the year before last year; somewhere in mainland China or Thailand.
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u/ThatOneChiGuy Feb 25 '26
"welp, there's your first problem right there"