Great Lakes Untamed
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.
English
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.
English