Zwe Hlaing Bwa

စိတ္ကူးတည့္ရာေရးထားေသာ ဘေလာ့ခ္

Cahokia Mounds

Posted by Zwe on April 2, 2009


The builders of Cahokia were descendants of people who had settle in North America by around 12000 BC. They came not from Europe but from Asia and they travelled not by sea but over land. Today fifity-five miles of water separate Siberia from Alaska, known as the Bering Strait after an eighteenth-century Danish explorer. Yet in the last great Ice Age of the Pleistocene period. the sea level was maybe 300 feet lower, creating what is often described as a ‘land bridge’ between the two continents.
‘Bridge’ is not really the right word because ‘Beringia‘, as geologists call it, was actually a vast expanse of land. At the coldest period in the Pleistocene era it was iced over, like most of what is now western Canada. Many geologists believe that as temperatures rose, around 15,000 years ago, there was a relatively brief period when the ice sheets were receding but before Beringia became an oceanic strait. During this period the ‘bridge’ became a desolate but passable steppe; an ice-free corridor also opened up southeast to Rockies and great Plains.

http://en.wikipedia.org/wiki/Cahokia

Where is Cahokia Mounds?

Cahokia Mounds is located in Collinsville, Illinois off Interstates 55/70 and 255. Cahokia Mounds is just fifteen minutes east of St. Louis, Missouri.

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