CNN CNN Newsroom December 30, 2013 15:49:00
An australian icebreaker turned around earlier today due to the horrible weather. i've had a chance firsthand to see how thick that ice is and how unforgiving the weather can be in antarctica. it was a decade ago i traveled to the south pole for my documentary "harsh continent." watching the u.s. coast guard cut through that ice really gives you an idea just how difficult a rescue like this is. here is part of my journey. life relies on the constant flow of supplies to its open harbor. a big challenge in a place where the ocean can freeze almost instantly. pack ice like this kept explorers awa...