在两个小时里，浓缩呈现从宇宙大爆炸到现在的上百亿年历史。 A rapid-fire history of our world, from the beginning of time as we know it to present day. This two-hour CGI-driven special delves into the key turning points: the formation of earth, emergence of life, spread of man and the growth of civilization--and reveals their surprising connections to our world today.