This story appears in the October 2016 issue ofNational Geographic magazine. At Lees Ferry, Arizona, the launch point for a raft trip down the basement of the continent, not a disheartening word is heard from those about to start a four-day ride through the Grand Canyon.
RT @NatGeoPhotos: See refreshing ways that millennials are connecting with nature in our national parks: on.natgeo.com/2ctb6xP https://t.…
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rob delaney (@robdelaney) September 16, 2016