Dr U Mentary Friday, February 14 · 7:24 PM · ▾ Journey to 10,000 BC: How Did Prehistoric Men Survive?! | Full Special youtubeDiscover the thrilling real story of life on earth in prehistoric times. See more in this full special, "Journey to 10,000 BC." #JourneyTo10000BCSubscribe for...unlikecommentstweet48 like this|40 saw this post