July 26, 2013

Sebastian Vettel at speed on medium tyres

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July 26, 2013

Sergio Perez runs slightly wide

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July 26, 2013

Fernando Alonso at speed in the Ferrari

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July 26, 2013

Kimi Raikkonen on track in the Lotus

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July 26, 2013

Nico Hulkenberg in the Sauber garage

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July 26, 2013

A close-up of the Red Bull steering wheel

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July 26, 2013

Esteban Gutierrez tackles the chicane

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July 26, 2013

Paul di Resta on track in the Force India

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July 26, 2013

Jenson Button at speed on the medium tyres

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July 26, 2013

Sebastian Vettel out on track during FP1

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July 26, 2013

Fernando Alonso talks to a Ferrari engineer at the back of the garage

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July 26, 2013

Sebastian Vettel in the cockpit of his Red Bull during FP1

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July 26, 2013

Fernando Alonso arrives in the paddock on Friday morning

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