- Fifteen million years ago, these giant marine cities
1500万年前 这些巨大的海洋城市 - offered opportunity to a wealth of survivors.
为众多幸存者提供了机遇 - From the depths came the sharks.
鲨鱼从深处游来 - The reefs also drew in some of the last remaining marine reptiles...
珊瑚礁也吸引了 一些最后幸存的海洋爬行动物 - the turtles.
海龟 - Within this underwater paradise,
在这个水下天堂 - countless new kinds of fish also evolved.
无数种新的鱼类也进化了