地球是宇宙中目前唯一已知具有高等生命的星球,他对我们意义不言而喻，国家地理带您穿梭数百亿年重新审视地球从形成初期到现代人类繁衍生息，想像地球形成时就有摄影机记录下每个重大事件。本节目将以写实电脑动画带领观眾踏上旅途，穿越45亿年，介绍地球的诞生期、冰河时期、巨大火山喷发、恐龙的统治以及早期人类。

The history of our planet is epic from its birth out of cosmic rubble to the unique complex of land, sea, atmosphere and life we know now. See how water was transported to Earth's surface inside millions of meteors. Through CGI re ...