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> Mining through solid rock is not really that expensive these days. If there would have been only solid rock the swiss would have build this tunnel centuries
by tobltobs 10y ago
> Mining through solid rock is not really that expensive these days.
If there would have been only solid rock the swiss would have build this tunnel centuries ago. There was a lot of slippery rock in between.
- ptaipale 10y agoPerhaps not centuries ago, but decades, yes.