在兩個小時里，濃縮呈現(xiàn)從宇宙大爆炸到現(xiàn)在的上百億年歷史。 　　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.