

Extreme Helicopter
Breaking through over 40 feet of ice demands a vessel of incredible power. That's where the Icebreaker comes into its own. These behemoths keep the world's shipping lanes open during the harshest of conditions, making them vital to the global economy. Follow the construction of a vessel that can break ice and carry cargo at the same time: the Arctic Icebreaking Containership. This is the largest commercial icebreaker ever built.
Aired: Jun 16, 2009 Genre: DocumentaryDuration: 1h Rating: 0 Country: United States of America Production: National Geographic
Episodes
01: Miami Super Stadium02: Soviet Doomsday Sub03: Grand Canyon Skywalk04: Train Wreck05: Train Wreck06: Electric Ocean07: Extreme Helicopter08: Icebreaker09: Super Sky Tram10: John Deere11: Skyscraper12: The World's Tallest TV Tower13: Super Sky Tram17: Megabridges Greece18: John Deere19: Skyscraper20: The World's Tallest TV Tower23: Rocket Launch Demolition





















