视频简介
For thousands of years, humans have believed that there were once flying monsters. But did they really exist beyond our nightmares? 220 million years ago dinosaurs were beginning their domination of Earth. But another group of reptiles was about to make an extraordinary leap: pterosaurs were taking control of the skies. The story of how and why these mysterious creatures took t...。2012年4月，山东省沂水县天上王陵景区一次蓄水池挖掘工作偶然揭露了一座2600年前的春秋高等级墓葬。天上王陵景区位于号称沂蒙72崮之首的纪王崮上，这里虽然偏远荒僻，但也有一个关于春秋时期被齐国所灭的纪王逃亡至此的传说。这会是纪王的墓葬吗？历史的真实究竟怎样？纪王为什么会逃亡这里？纪王崮上究竟发现了什么？。The world's leading scientists and cinematographers relive 5 extraordinary shark feeding events. From being surrounded at night by 700 grey reek sharks, a 300-strong gathering of blacktip, dusky and bronze sharks feeding on thousands of bait fish, to the spectacular sight of more than 200 blue sharks feeding on the carcass of a seven ton whale| the Great Shark Chow Down is an e...。