Flashback: Spain '91 - Mansell defeats Senna to stay in title hunt

The 1991 Spanish Grand Prix gave us one of the most memorable images in F1 history - Nigel Mansell's Williams running wheel-to-wheel with Ayrton Senna's McLaren along the Circuit de Catalunya's 300km/h pit straight, sparks flying from beneath both cars, with barely a hair's breadth between them. In the build-up to this weekend's Barcelona round, read the story of that absorbing race