Production companies :
ARTE
/
Oak Island Films
/
Merit Motion Pictures
/
Terra Mater Factual Studios
/
TVO
/
Doclights
/
NDR Naturfilm
/
Two Wise Monkeys Entertainment
/
The Great Lakes, home to a fifth of the world's fresh water and the backbone of a vast ecosystem, are explored from every angle on this documentary series.
Production companies：
ARTE
·
Oak Island Films
·
Merit Motion Pictures
·
Terra Mater Factual Studios
·
TVO
·
Doclights
·
NDR Naturfilm
·
Two Wise Monkeys Entertainment
·
Overview：The Great Lakes, home to a fifth of the world's fresh water and the backbone of a vast ecosystem, are explored from every angle on this documentary series.
