Vettel honors Senna and Ratzenberger at Imola with 'donuts'

Ahead of the Emilia Romagna Grand Prix, the Imola circuit was lit up by Sebastian Vettel. The Brazilian superstar went out for an emotional demo lap to pay tribute to Ayrton Senna and Roland Ratzenberger. Senna and Austrian racer Ratzenberger lost their lives in separate accidents at the circuit nearly 30 years ago. Notably, Vettel was in Senna's iconic McLaren.