(Jon of the Clue Crew shows a map on a screen) During the Pleistocene Epoch, the ocean receded, and Beringia emerged, an example of this 2-word type of isthmus, allowing humans to come from Asia to America,
[DOC] [TLE] Bering Land Bridge - Wikimedia Commons [PAR] Jun 17, 2016 ... Beringia was a land bridge roughly 1,000 miles (1,600 km) north to ... the Bering 
Strait at various times during the Pleistocene ice ages.