Apple QuickTime movie | 1996-06-28 | 1.5 MB | 400x280 | 5fps | 1 minute, 42 seconds | [MooV/TVOD]
Transcription: The ancestors of Native North Americans came from Asia. During the last ice age, sea levels dropped, allowing a land bridge to emerge over what is now the Bering Strait and connect Asia with North America. Archaeologists believe the first migrations began about 40,000 years ago when generations of nomads moved southward and eastward across what is now Canada and the United States and eventually advanced to Central Asia. These migrations happened in waves over thousands of years as the land bridge opened and closed according to the ebb and flow of the glaciers. By 15,000 BC these migratory grou ...
(.mp4)