Hazy shot of traffic and pollution. PAN of city, women crossing dusty street (truck and cars in shot). MS of driver and truck, then cars and trucks in thick pollution. AERIAL of Mexico City. TRAVELLING through crowd of people in subway corridor. MS of subway car moving with people in foreground. MS of man in suit on platform, crowd walking past. CU of hand pressing hanging button. MS of guards opening gates, people walking through. HA MS of crowd of people in station (women and men are separated). VAR crowd shots, including policemen approaching man in one shot. MCU of Metro policeman. MS of women entering subway car. (147)