BEAUTY SHOT, WIDE ANGLE SHOT of smoke billowing from stacks of Ultramar refinery in Lévis lit from behind by sun on horizon. TILT UP to CLOSER SHOT of black smoke billowing skyward. PANs to MS of traffic on highway. TRAVELLING SHOT LEFT to daytime ESTABLISHING SHOT of refinery with snow-covered land in foreground. MS and CU of smoke coming out of stacks.