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by TeMPOraL
3319 days ago
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> You can also fly. Skies are more 3D than digging and easier to access And also a huge waste of energy on an ongoing basis. An aircraft has to continuously expend energy on fighting the gravity. > the problem with digging is that many people live and work and drive right above where you dig. The FAQ addresses that by noting that below ~2 tunnels height, people wouldn't even notice. |
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