Rock Cairns (U.S. National Park Service)
Por um escritor misterioso
Descrição

Cairn - Wikipedia

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

Conservationists Want You to Stop Building Rock Piles, Smart News

National Park Rangers Are Encouraging You to Knock Over Rock Cairns - SnowBrains

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

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

What are Rock Cairns & Why You Shouldn't Build Them – Bearfoot Theory

Rock stacking in national parks: Why is it bad?

See a rock cairn? Push it over, Yosemite National Park says - The Manual

Stop building giant rock cairns, Yosemite Park Rangers warn visitors

Rock cairns discouraged by Yosemite National Park officials - NZ Herald

Don't Move Rocks! Friends of the Smokies

The cairns of Acadia: Objects of wonder, subjects of vandals
Yosemite asks visitors to stop building, knock over rock cairns – NBC Bay Area
de
por adulto (o preço varia de acordo com o tamanho do grupo)