The pond. This is where hockey was born-under the open sky-where the ice is gritty and so is the play. For generations, Northlanders have grown up on outdoor ice. But, there are new climate- controlled arenas in every town, and that's where the kids go to practice year-round now. The frozen ponds are losing their inhabitants. In Pond Hockey, director Tommy Haines and his Minnesota crew chronicle the changing culture of hockey.