Please don't stack rocks on your next hike. Here's why. - Lonely Planet

What is a stack of stones called? - Quora

Please don't stack rocks on your next hike. Here's why. - Lonely Planet

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Why you shouldn't stack rocks in the wild - The Washington Post

Please don't stack rocks on your next hike. Here's why. - Lonely Planet

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Please don't stack rocks on your next hike. Here's why. - Lonely Planet

Rangers, walking groups, urge public to stop making rock towers on hiking trails - ABC News