A herd of white whales are ice-bound in the waters of Eskimo Lakes in Canada's Northwest Territory. Holes are cut in the ice to allow the mammals to breathe air and fish are fed to them. The government is searching for a new feeding ground and a way to lead them to it. Aerial shot Canada's North-West Territory with an early freeze on the water. White whales coming to the surface to breath. Three men standing at the opening of the icy water watching and bringing fish for the whales. CU Man with a huge drill, drilling air holes for the whales so they can breath. Aerial shot ice covered water.