TESTING UNDERWAY: Mercedes AMG driver Finland's Valtteri Bottas drives the new W08 car during a launch event. Image: AFP / Oli Scarff
Cape Town - Last week we saw Formula 1 teams unveil their cars for the 2017 season. Today all 10 teams are in Barcelona for testing ahead of the 2017 season.
Constructors' champions Mercedes has confirmed new driver Valtteri Bottas will drive the new W08 car in the morning, while Lewis Hamilton will get be behind the wheel after lunch on Day 1.
Testing takes place over four days, ending on Thursday. The first Grand Prix of the year is scheduled for the 26 March in Melbourne, Australia.
Follow all the action from the circuit here: