http://www.youtube.com/watch?v=-cA_kW92-Oo National Geographic documentary- 51 minutes.
http://www.youtube.com/watch?v=G9plvrHnOLA Smithsonian Channel - Digital reconstruction 2.24 minutes
http://www.youtube.com/watch?v=nTsL1jjkqcM Parallax Productions preview - 2.14 minutes
http://www.youtube.com/watch?v=G9plvrHnOLA Smithsonian Channel - Digital reconstruction 2.24 minutes
http://www.youtube.com/watch?v=nTsL1jjkqcM Parallax Productions preview - 2.14 minutes