Around 14,000 years ago, a massive glacier that covered Alaska and Canada broke up enough to produce an ice-free corridor which connected Siberia to North America. This may be the route taken by the earliest human colonists of the Americas (referred to as the Clovis people. Another possible route from the Old World to the Americas is from Siberia, down and along the Pacific coast.
The North American ice sheet during the Ice Age did not cover the central Great Plains region, which remained largely ice-free due to its relatively low precipitation levels. This area is known as the "ice-free corridor" and served as a passageway for plants, animals, and potentially human migration.
Corridor is a noun.
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The Corridor was created in 1825.
About 2% of the continent is free of ice.
Two percent of the Antarctic continent is free of ice.
The corridor was brightly lit.She walked down the dark corridor.My doctor's office was located down a long corridor.
The Wakham corridor. .
Air Corridor ended in 2008.
Air Corridor was created in 2004.
The Light Corridor was created in 1990.
The Light Corridor happened in 1990.