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首漂长江，首次徒步横穿南极，首次北坡登顶珠峰，中国第一次无动力帆船环球航海……他们曾于绝境之地，见无畏人生。 该片通过独具特色的人物故事，展示了探险家不断挑战自我的勇气和精神，这是中国几代探险人的人生抉择，有跌宕起伏的生活与命运，也有至亲间难以释怀的遗憾与和解，五集系列纪录片《绝境生死书》以中国探险家在生死绝境中写下的一封封家书为切口，讲述了人类探险史上几段波澜壮阔的探险传奇。 解说：周扬。NASA’s Perseverance rover is on the verge of changing humanity’s future. Just over a year after touching down on the red planet, Perseverance is embarking on the most demanding part of its mission to date – striking out at top speed for the sites most likely to house signs of life. To succeed, the team must overcome epic challenges and take Perseverance into uncharted territory...。