A photographic look at day one of the post-Spanish Grand Prix in-season test track action at the Circuit de Catalunya.
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- Credit: Octane Photographic Ltd
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- Credit: Octane Photographic Ltd
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- Credit: Octane Photographic Ltd
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- Credit: Octane Photographic Ltd
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- Credit: Octane Photographic Ltd
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- Credit: Alastair Staley/Williams
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- Credit: Octane Photographic Ltd
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- Credit: Octane Photographic Ltd
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- Credit: Sahara Force India Media
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- Credit: Mercedes AMG PETRONAS Formula One Team
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- Credit: Lotus F1 Team
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- Credit: Octane Photographic Ltd
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- Credit: Sahara Force India Media
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- Credit: Octane Photographic Ltd
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- Credit: Octane Photographic Ltd
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- Credit: Octane Photographic Ltd
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- Credit: Octane Photographic Ltd
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- Credit: Octane Photographic Ltd
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- Credit: Alastair Staley/Williams
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- Credit: Octane Photographic Ltd
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- Credit: Octane Photographic Ltd
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- Credit: Mercedes AMG PETRONAS Formula One Team
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- Credit: Octane Photographic Ltd
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- Credit: Octane Photographic Ltd
