September 4, 2015

Mechanics work on the car of Jenson Button's MP4-30

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September 4, 2015

Fernando Alonso on track in the McLaren

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September 4, 2015

A Honda engineer looks at MP4-30

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September 4, 2015

Fernando Alonso sits in the McLaren cockpit

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September 4, 2015

Jenson Button's MP4-30 is wheeled back into the McLaren garage

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