The downward force generated by the wings and under-car aerodynamics of an F1 car at 220km/h would be sufficient to pin it to the roof of a tunnel-without it falling off!

• F1赛车是利用了空气动力的原理，当时速达到220公里时，上方气流产生的下压力可以使它沿着隧道顶部飞奔。