This week kicked off the Beargrease Sled Dog Marathon events here in Duluth, including the annual photo exhibit. Today's guest on Radio Gallery is a North Shore photographers who, like so many, has caught the bug of photographing sled dog races. The photo exhibit is a gathering of the most spectacular images from past races, capturing the elements that teams of mushers and their dogs face on the incredible north shore terrain. The photo exhibit, brainchild of Kyle Krohn, will run through March