We see news reports of sinkholes opening in various places all over the world. What I never hear about is what’s done afterward. I assume smaller ones, like this one in [Taiwan](https://supercarblondie.com/sinkhole-swallows-tesla-model-y-taiwan/) could be repaired without too much hassle. What about the larger sinkholes in [Turkey](https://www.dailymail.co.uk/news/article-11262701/16-giant-sinkholes-open-one-Turkish-region-months.html)?
Is there a way to make land like that usable again? Or do people just sort of put up a sign and hope no one falls in?
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The ones you find on a city street like your first example are usually caused by a flaw in infrastructure, like a leaking water main or sewer. The source of the water can be eliminated and the hole repaired. It would be pointless to repair the hole if you didn’t stop the thing that washed away the road’s foundation.
The type of sinkhole in your second example is caused by natural water flow (or changes to it). It’s still pointless to repair if you don’t change what’s happening with the water. But the ground water or underground river is not something we can turn off the same way as we can with a broken water main.
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