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A passionate young man who has loved nature since childhood, Chen Xiaofeng. For the cause of environmental protection, I have been working hard in the waste industry for the past ten years. As environmental pollution worsened, he was worried but unable to do anything. Until one day, a coal miner sold him a black ball. From then on, he embarked on a new technological route, which not only realized the dream of his youth, but also changed the trajectory of life, and also changed the fate of human beings being completely destroyed...