The future of the French Grand Prix and several other classic European races was declared uncertain on Monday as the dust settled following Max Verstappen's crushing victory in front of a sell-out crowd at the Paul Ricard Circuit. Widespread misgivings about F1's plans to scrap established traditional races, or rotate them, and instead to hold more 'international' big city street circuit events, including a proposed Las Vegas race, dominated paddock debate during a sun-baked weekend. World champion Verstappen had joined other drivers before the race in objecting to the likely loss of the sport's iconic traditional circuits, including the Spa-Francorchamps track in the Belgian Ardennes, from a proposed 25-race calendar for next year.