Ferrari's famous 'prancing horse' emblem glistens off one of its motorhomes as driver Felipe Massa gives the Italian team a boost by topping the timesheets in the third and last practice session ahead of qualifying
Spain's two-time world champion Fernando Alonso glides over the Istanbul Park track ahead of the seventh race of the season in a Renault which team boss Flavio Briatore admits cannot now challenge for the championship
Heikki Kovalainen, who was fastest in the second Turkish Grand Prix practice session, gets to grips with his improving McLaren as a helicopter hovers close by above the Istanbul Park circuit, which possesses a large number of high-speed corners
Jenson Button zips towards the tip of the horizon in his Brawn GP car at Istanbul Park, where dealing with different levels of gradient is part of the challenge for teams and drivers in performing to their maximum
German driver Timo Glock, who made his Formula 1 debut in 2004 as a stand-in at Jordan, arrived at Toyota as GP2 Series champion in 2008 - a season in which he finished 10th in the drivers' championship - and has been performing well this season
Williams's Nico Rosberg - who has topped the timesheets in 10 of 21 free practice sessions so far this season - will start ninth in Sunday's race
Brawn GP's championship leader Jenson Button navigates a turn at an Istanbul Park track where its high-speed corners produce degrees of G-force that test F1 driver's neck muscles to the absolute limit
The pained expression of Toro Rosso's Sebastien Buemi betrays his performance in qualifying - the only rookie driver of 2009 will start Sunday's race right near the back of the grid in 18th position
Finland's former world champion Kimi Raikkonen speeds past a small posse of flag-waving F1 fans in Istanbul during qualifying - every Turkish Grand Prix pole-sitter has gone on to win the race
Disaster for McLaren's reigning world champion Lewis Hamilton - his season plumbs new lows as he fails to make it out of qualifying session one for the second consecutive race, which is also only the second time in his career
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