FORMULA ONE

F1 testing 2017: day three at Montmeló

Pre-season testing: day three at Montmeló

Fernando Alonso in his McLaren MCL32.

Photo: Mark Thompson Getty Images

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Pre-season testing: day three at Montmeló

Fernando Alonso in his McLaren MCL32.

Photo: Dan Istitene Getty Images

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Pre-season testing: day three at Montmeló

Reigning world champion Nico Rosberg, who retired at the end of last season, speaks to the media as he visits his former competitors on the F1 grid.

Photo: Dan Istitene Getty Images

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Pre-season testing: day three at Montmeló

Red Bull Racing's Daniel Ricciardo.

Photo: Mark Thompson Getty Images

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Pre-season testing: day three at Montmeló

Daniel Ricciardo.

Photo: Mark Thompson Getty Images

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Pre-season testing: day three at Montmeló

Daniel Ricciardo in his Red Bull RB13.

Photo: Mark Thompson Getty Images

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Pre-season testing: day three at Montmeló

Daniel Ricciardo.

Photo: Mark Thompson Getty Images

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Pre-season testing: day three at Montmeló

Ferrari's Sebastian Vettel.

Photo: Mark Thompson Getty Images

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Pre-season testing: day three at Montmeló

Ferrari's Sebastian Vettel.

Photo: Mark Thompson Getty Images

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Pre-season testing: day three at Montmeló

Rear view of Sebastian Vettel in his Ferrari SF70H.

Photo: Dan Istitene Getty Images

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Pre-season testing: day three at Montmeló

Valtteri Bottas' Mercedes F1 WO8.

Photo: Dan Istitene Getty Images

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Pre-season testing: day three at Montmeló

Toro Rosso's Daniil Kvyat.

Photo: Mark Thompson Getty Images

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Pre-season testing: day three at Montmeló

Valtteri Bottas in his Mercedes F1 WO8.

Photo: Mark Thompson Getty Images

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Pre-season testing: day three at Montmeló

Sebastian Vettel.

Photo: Dan Istitene Getty Images

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Pre-season testing: day three at Montmeló

Toro Rosso's Carlos Sainz.

Photo: ALEJANDRO GARCÍA EFE

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Pre-season testing: day three at Montmeló

Nico Rosberg takes a selfie.

Photo: ALEJANDRO GARCÍA EFE

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Pre-season testing: day three at Montmeló

Sebastian Vettel.

Photo: ALBERT GEA REUTERS

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Pre-season testing: day three at Montmeló

Renault's British driver Joylon Palmer.

Photo: ALEJANDRO GARCÍA EFE

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Pre-season testing: day three at Montmeló

Mercedes driver Valtteri Bottas.

Photo: ALEJANDRO GARCÍA EFE

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Pre-season testing: day three at Montmeló

Fernando Alonso.

Photo: ALEJANDRO GARCÍA EFE

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Pre-season testing: day three at Montmeló

A Mercedes mechanic wheels a tyre.

Photo: ALEJANDRO GARCÍA EFE

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Pre-season testing: day three at Montmeló

A Mercedes mechanic measures tyre temperature.

Photo: ALEJANDRO GARCÍA EFE

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