几亿年前，地球上出现了远古的生命雏形，并逐步进化为今天的万物之灵——人类。但是那时候称霸地球的并非人类，也并非现今种类最繁多的哺乳动物，而是超级霸主——恐龙。
几亿年前，地球上出现了远古的生命雏形，并逐步进化为今天的万物之灵——人类。但是那时候称霸地球的并非人类，也并非现今种类最繁多的哺乳动物，而是超级霸主——恐龙。
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