10 most difficult car racing riddles

Auto Union was the predecessor of Audi. The car was extremely difficult to handle, but its tremendous power and acceleration were undeniable - a driver could induce wheelspin at over 100 mph (160 km/h). Silver arrows of Auto Union and Mercedes Benz dominated car racing until the outbreak of World War II.

Nico Erik Rosberg in 2016, he finally became Formula One World Champion after an intense duel with teammate Hamilton, which was undecided until the final race, the Abu Dhabi Grand Prix. He announced his retirement from the sport five days later, on 2 December 2016. Before the 2017 Formula One season, Rosberg announced that he would continue his partnership with Mercedes, as an ambassador.

The Le Mans Disaster was the most catastrophic accident in motorsport history. 83 spectators and driver Pierre Levegh were killed, whilst 120 more were injured. The death of the spectators was blamed on inadequate safety standards for track design.

2016 was the last year Volkswagen put its car into the World Rally Championship.

The circuit is 2,5 mile long, so it takes 200 laps to complete the 500 mile race.

Until the 1980s, there were teams in which only two drivers competed. By the end of the decade, the rules were changed to stipulate that at least three drivers must drive each car, for safety reasons.

The tradition of drinking milk was founded in 1933. Since 1956, only one driver has broken it: In 1993, Emerson Fittipaldi drank a celebratory bottle of orange juice. He owned several orange groves in Sao Paolo, and wanted to promote the citrus industry.

In 1958 motor racing was banned by the Swiss government as an unsafe spectator sport following the death of 80 people at the 1955 24 Hours of Le Mans race. The Swiss Grand Prix was held in 1975 and 1982 in France. The ban continued until 2007.

On 5 October 2014, during the Japanese Grand Prix, Julies Bianchi lost control of his Marussia in very wet conditions and collided with a recovery vehicle, suffering a diffuse axonal injury and remained comatose until his death on 17 July 2015. Bianchi is the first Formula One driver killed as a result of an accident during a race event since Ayrton Senna at the 1994 San Marino Grand Prix.

Raikkonen frequently answers questions in a blunt and monosyllabic manner. When asked "The helmet has a special meaning for many drivers. How important is it to you?", Kimi replies "It protects my head."