1981 Las Vegas Grand Prix.: 1981 Las Vegas Grand Prix.Caesar's Palace, Las Vegas, Nevada, USA. 15-17 October 1981.Nelson Piquet (Brabham BT49C-Ford Cosworth), 5th position to clinch the World Championship.World Copyright: LAT PhotographicRef: 35mm transparency 81LV16
1981 Las Vegas Grand Prix.Caesar's Palace, Las Vegas, Nevada, USA. 15-17 October 1981.Nelson Piquet (Brabham BT49C-Ford Cosworth), 5th position to clinch the World Championship.World Copyright: LAT PhotographicRef: 35mm transparency 81LV16