AERIAL SHOT over broken sea ice, reflection of sun visible in areas of open water. AERIAL SHOT of Mackenzie Delta free of ice. AERIAL SHOTs over trail in tundra made by migrating caribou. AERIAL SHOT over broken sea ice pattern. ZOOM IN to FOLLOW SHOT of helicopter taking off from ice patch. Several AERIAL SHOTs of seal resting on ice patch. AERIAL SHOT over broken sea ice. Good AERIAL SHOT around seal resting on edge of an ice patch.