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. (thetvdb.com)