剧情：In2016filmmaker/photographerPeteMcBrideandwriterKevinFedarkosetoutona750-milejourneyonfootthroughtheentirelengthoftheGrandCanyon.Morepeoplehavestoodonthemoonthanhaveaccomplishedthistask.Theirquestwasmorethanjustanendurancetest—itwasalsoawaytodrawattentiontotheunprecedentedthreatsfacingoneofourmostreveredlandscapes...
