The town of Staufen, in the south-west of Germany, has a problem: a drilling operation in 2007 that went very wrong. Half a metre of movement might not sound like much, but in this town, that's enough for the buildings to crack and fall apart.
And here's an in-depth academic paper explaining why and how it all happened, in far more detail than would work in a YouTube video: https://doi.org/10.1186/s40517-017-0067-y