Ice Breakers
- Episode aired Apr 16, 2002
- TV-PG
The history of ice breakers and how they keep the lanes of commerce open during the frozen winter and the arctic open for science.The history of ice breakers and how they keep the lanes of commerce open during the frozen winter and the arctic open for science.The history of ice breakers and how they keep the lanes of commerce open during the frozen winter and the arctic open for science.