BrainStuff
Why Are Scientists Asking Hikers to Stop Stacking Rocks?
4 min•5 februari 2020
Om avsnittet
Stacks of rocks called cairns have long been used for navigation and decoration, but scientists are now asking hikers to stop making them. Learn how simply moving rocks can be hugely destructive (even if you put them back) in this episode of BrainStuff.
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