The Raidillon corner at the Spa-Francorchamps circuit - more popularly known as Eau Rouge - is one of the most challenging and famous stretches of asphalt in the world. Every season, Formula 1 drivers fly at full speed up the steep hill of the circuit in the Belgian Ardennes. This weekend, it's the World Endurance Championship's turn (WEC) to go through Eau Rouge; the experience is slightly different than in an F1 car, but no less spectacular, says Grand Prix winner Robert Kubica