主演：
备注：
HD
片长：
45分钟
评价：
剧情：
NarratedbyAcademyAward?winnerRobertRedford,NationalParksAdventuretakesaudiencesontheultimateoff-trailadventureintothenation’sawe-inspiringgreatoutdoorsanduntamedwilderness.ImmersiveIMAX?3Dcinematographytakesviewerssoaringoverredrockcanyons,hurtlingupcraggymountainpeaksandintoother-worldlyrealmsfoundwithinAmerica’smostlegendaryo...