Formula One World Championship: Christian Horner (GBR) Red Bull Racing Team Principal with Norbert Vettel (GER) Father of Sebastian Vettel (GER) Ferrari at Formula One World Championship, Rd6, Monaco Grand Prix Practice, Monte-Carlo, Monaco, Thursday 21 May 2015.
Christian Horner (GBR) Red Bull Racing Team Principal with Norbert Vettel (GER) Father of Sebastian Vettel (GER) Ferrari at Formula One World Championship, Rd6, Monaco Grand Prix Practice, Monte-Carlo, Monaco, Thursday 21 May 2015.