本片是一部美国纪录片片，由导演，由Richard Kiley (Narrator)/Jane Goodall/Louis Leakey主演。
剧情简介：Actor Richard Kiley narrates this investigation into both new and well-known clues to the origins of the human race. Razor -sharp tools of our ancestors are examined and discussed by historians and experts. A number of fossilized skeletons that are more than a million years old are examined by scientists. Ash-entombed footprints provide a trail into centuries that ended long ago. Viewers will see many artifacts that all relate to what is often referred to as one of the "greatest mysteries of all time."
外文名：National Geographic Specials: Mysteries of Mankind
别名：国家地理百年纪念典藏：人类起源之谜
类型：纪录片
地区：美国
演员：Richard Kiley (Narrator) / Jane Goodall / Louis Leakey / Mary Leakey
