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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...。主讲人邵圣懿，资深媒体人、评论员。知识类短视频，有趣有料， 让你的每个10分钟从此变得更有意义。内容涉及历史、文化、教育、科学科技、财经、军事、职场、电影、生活、人物故事等10余种领域。。