Barcelona’s technical upgrades in pictures

Motor Racing - Formula One Testing - Test Two - Day 4 -  Barcelona, Spain

6. A wider opening for Sauber

Surprisingly, Sauber has elected to do things the other way round with a wider opening around the exhaust on its new C34. The Hinwil-based team perhaps noticed that temperatures were too high in the area during the opening pre-season test in Jerez.