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Cut a road into the canyon walls. In order to build stuff on Mars, they are going to need a lot of heavy earth moving equipment. Simply start digging/mining along the edge of the canyon, and mak...
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#1: Attribution notice removed
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System
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2021-03-30T23:53:19Z (over 3 years ago)
Source: https://worldbuilding.stackexchange.com/a/90591 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/