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As Gary Walker said, there are not that many places that have land on a straight line tunnel that goes straight through the core. The good news is that you could go around the core by taking a hy...
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#1: Attribution notice removed
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System
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2021-03-30T23:53:15Z (over 3 years ago)
Source: https://worldbuilding.stackexchange.com/a/30458 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/