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What my local climbing arena does is have multiple routes up every wall. They overlap, sometimes on flat surfaces, sometimes on real rock, sometimes on artificial (extra grippy) rock. The climbs...
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#1: Attribution notice removed
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System
·
2020-05-27T11:08:44Z (over 4 years ago)
Source: https://outdoors.stackexchange.com/a/4854 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/