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Join barefoot scientist Jesús Rivas in the murky marshes of Venezuela on his quest to understand these huge, fearsome reptiles. Up to 30 feet long, weighing many times more than the scientists studying them, anacondas are difficult subjec...

赤足进入巨蛇的王国。 南美洲委内瑞拉的沼泽丛林中，住着全世界体积最大，全身滑溜的森蚺。森蚺身长达三十英尺，重达数百磅，其最强的武器，不是利牙毒液，而是无人能及的�...