Motorsport Gearing up for the Singapore Grand Prix 18 September, 2015 13:35 IST 18 September, 2015 13:35 IST Williams team mechanics check the air pressure in their tyres at the Marina Bay City Circuit. Photo: AP 1/6 Sebastian Vettel of Ferrari shares a light moment with a member of his former team, Red Bull Racing. Photo: AP 2/6 The Mercedes crew practice tyre changes. Photo: AP 3/6 World champion Lewis Hamilton of Mercedes speaks at a promotional event ahead of the Singapore Grand Prix. Photo: AP 4/6 Ferrari's mechanics push Kimi Raikkonen's car down the pitlane for scrutineering. Photo: AP 5/6 Williams driver Valtteri Bottas poses for a photograph with a fan. Photo: AP 6/6 Read more stories on Motorsport.