Carved by the retreat of a two-million-year-old glacier, North America's five great lakes, Superior, Michigan, Huron, Erie and Ontario; form the largest freshwater ecosystem on Earth.
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Allegra Fulton
Self - Narrator
Peter Faerber
Self - Sprecher
Manuel Witting
Self - Sprecher
Stefan Wancura
Self - Sprecher
Daniela Kong
Self - Sprecherin
Lisa Schrammel
Self - Sprecherin
Jill Heinerth
Self
Matthew Scrafford
Self
Andre Martell
Self
Becky Schott
Self
Lilly Rosebull
Self
Andrew Rosebull
Self
Jason de Boer
Self
Paul Deschamps
Self
Liam Cowen
Self
Sanja Jaffar
Self
