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Mysteries of the Great Lakes Now playing on the IMAX Dome until January 3, 2010. Travel to the "inland seas," the world’s largest concentration of freshwater – the Great Lakes. This dramatic journey will transport you to some of the most spectacular scenery on the planet, where you’ll discover how humanity brought these lakes to the brink of destruction, and back. Did you know? • One fifth of the planet’s freshwater supply is contained in the Great Lakes. • One out of three Canadians relies on the Great Lakes for drinking water. • Over 40 million people live on the 16,000 km of shores of the Great Lakes. • A single drop of water takes nearly 400 years to travel from Lake Superior to the shore of Lake Ontario. • Lake Superior alone contains as much water as the other four Great Lakes combined. • The sturgeon is the largest freshwater fish in the world. It can grow to over two metres long. • The sturgeon is considered to be a living fossil since it has survived (without changing much) for more than 100 million years.
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