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分类：自然
集数：2集
导演：
展开全部
简介：恐龙曾是地球上的霸主，统治地球时间长达1亿六千万年，然而就是这样一个带给人类无限想象力的物种竟然在6500万年前戏剧般的落幕了。恐龙的这次消失是距离人类最近的一次生物大灭绝，对此一直流传着星体撞击地球说、火山爆发说等导致恐龙灭绝的说法。收起
奥秘 恐龙灭绝大调查（上）[走近科学] 20120811
奥秘 恐龙灭绝大调查（下）[走近科学] 20120812
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