进入峡谷详情介绍-进入峡谷在线观看-进入峡谷未删减版全集免费播放 - 云帆影院-金牌影院短剧视频网-星辰影院海量高清vip电影电视剧免费在线观看！In 2016 filmmaker/photographer Pete McBride and writer Kevin Fedarko set out on a 750-mile journey on foot through the entire length of the Grand Canyon. More people have stood on the moon than have accomplished this task. Their quest was more than just an endurance test — it was also a way to draw attention to the unprecedented threats facing one of our most revered landscapes...