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The park service has some good tips. The biggest ones are: It is hot and dry, and gets hotter the farther down you go. Sweat can evaporate straight off of you before you can even see it, and pe...
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The park service has some good tips. The biggest ones are: It is hot and dry, and gets hotter the farther down you go. Sweat can evaporate straight off of you before you can even see it, and pe...