Helen Mark travels to the rolling hills of Aberdeenshire, home of the Cairngorms National Park. Popular with walkers, hikers, nature-lovers and `munro-baggers" alike, these hills are undoubtedly a beautiful place to visit. However, Helen has decided to explore the region in an unconventional way - from the back of a husky-pulled sled. To this end, she catches up with husky-lover, musher, and a veteran of the extraordinary Iditarod - the gruelling 1,000-mile sled-race across the frozen wastes of Alaska - Wattie McDonald
