Uncover the secrets of the vast Great Lakes region, which extends from the Canadian border to the American Midwest. It's a place of breathtaking natural beauty, with a unique set of challenges threatening its delicate environmental balance.
8.3
English
200m
7.3
6.8
Korean
8.0
Portuguese
9.5
Mandarin
8.7
Japanese
9.0
8.4
7.9