:01:00
sea levels plummet
more than a hundred meters.
:01:04
Exposed sea floor nearly joins
Australia to Southeast Asia
:01:16
Japan becomes part
of mainland Asia.
:01:37
Across North America,
ice fields and glaciers
:01:40
envelop all of Canada
and northernmost United States.
:01:50
As the lce Age spreads,
Alaska emerges as a crossroads.
:01:59
Off it's Bering sea coastline
:02:01
the retreating ocean
exposes a great land bridge
:02:05
a thousand miles wide
connecting Asia to America.
:02:17
Across this corridor, a river
of living creatures would flow.
:02:23
It was the genesis
of a great wave of life
:02:25
that would inhabit the Americas,
and this was it's Eden.