Learn more about curling: Sweeping

Why do curlers sweep the ice in front of the curling stone? What are they doing? These are some of the most common questions people have about curling. World Curling TV reporter Alison Walker gets the low-down on sweeping in curling from some of the experts themselves: Team Sweden sweepers Viktor Kjaell and Frederik Lindberg, Team Scotland National Coach Soren Gran and former Team Germany member Uli Kapp.