 Complete the following phrase:  Rouen-Les-Essarts hosted the event in 1962 and 1964, and Gurney won both these events, one in a Porsche and another in a Brabham. In 1965 the race was held at the 5.1 mile Charade Circuit in the hills surrounding Michelins hometown of Clermont-Ferrand in central France. Unlike the long straights that made up Reims and the fast curves that made up Rouen, Charade was known as a mini-Nürburgring and was twisty, undulating and very demanding. The short Bugatti Circuit at Le Mans held the race in 1967, but the circuit was not liked by the Formula One circus, and it never returned. Rouen-Les-Essarts hosted the event in 1968, and it was a disastrous event; Frenchman Jo Schlesser crashed and was killed at the very fast Six Frères corner in his burning Honda, and Formula One did not return to the public-road circuit. Charade hosted two more events, and then Formula One moved to the newly built, modern Circuit Paul Ricard on the French riviera for 1971. Paul Ricard Circuit, located in Le Castellet, just outside Marseille and not far from Monaco, was a new type of modern facility, much like Montlhéry had been in the 1920s. It had run-off areas, a wide track and ample viewing areas for spectators. Charade hosted the event one last time in 