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《极限挑战宝藏行·国家公园季》秉着“一起向自然”的精神，从推动绿色发展、低碳环保的角度出发，通过嘉宾们深度体验的方式，呼吁大家一起走进自然，感受万物生机，探寻未知宝藏，共同守护生态环境。热爱每一个生命，让人与自然和谐共生。遇见自然，守护未来。。Two-part documentary which deals with two of the deepest questions there are - what is everything, and what is nothing? In two epic, surreal and mind-expanding films, Professor Jim Al-Khalili searches for an answer to these questions as he explores the true size and shape of the universe and delves into the amazing science behind apparent nothingness. The first part, Everything...。