1991 Portuguese Grand Prix. : 1991 Portuguese Grand Prix. Estoril, Portugal. 20-22 September 1991. Thierry Boutsen ( Ligier JS35B Lamborghini). Ref-91 POR 19. World Copyright - LAT Photographic
1991 Portuguese Grand Prix.
Estoril, Portugal.
20-22 September 1991.
Thierry Boutsen ( Ligier JS35B Lamborghini).
Ref-91 POR 19.
World Copyright - LAT Photographic