Stack Box Structures Co., founded by Cape Elizabeth resident Rory Strunk, created a 20-foot high, 150-foot long sledding hill that will be part of Frozen Fenway, a winter festival of hockey games and winter activities Dec. 28 through Jan. 13 in Boston. The company, based in a Scarborough, creates temporary extreme sports infrastructure for events across the country. (Courtesy photo) 2p1.jpg