1997 revisited: Austrian GP

F1's return to Austria after a decade away was action packed, with Jacques Villeneuve coming through the chaos to get his championship challenge back on course.  Beyond Villeneuve's win, we look back on Jarno Trulli's heroics for Prost, Stewart's cameo at the front, a famous clash between Jean Alesi and Eddie Irvine, and Michael Schumacher's costly yellow flag infringement.