The comeback of Michael Schumacher; 4r world champions on the grid; at slightest three top teams in which team mates will be war head-to-head for the title honors; and the view of drivers having to show real skill in nursing their tyres now that refuelling has been banned.
Vitaly Petrov's Renault is pressed reverse into the garage
Virgin racing
Rubens Barrichello in pit lane
Michael Schumacher approaching the final corner, F1 Testing, Day 2, Barcelona
Mark Webber on track in the Redbull racing
Lewis Hamilton on track in the McLaren
Lewis Hamilton pits in the McLaren
Lewis Hamilton and McLaren technicians perform a pit stop
Jenson Button and Lewis Hamilton on track
Fernando Alonso in his Ferrari garage
Fernando Alonso on track in the Ferrari F1
Sebastien Vettel in the Redbull Racing F1 Testing, Day Four, Barcelona
Jenson Button starts his last day of pre-season testing in the McLaren F1
