February 1, 2015

Sebastian Vettel wearing his new helmet ahead of his first day in the Ferrari SF15-T

Sebastian Vettel wearing his new helmet ahead of his first day in the Ferrari SF15-T

February 1, 2015

Marcus Ericsson behind the wheel of the 2015 Sauber

Marcus Ericsson behind the wheel of the 2015 Sauber

February 1, 2015

Fernando Alonso on track in the McLaren

Fernando Alonso on track in the McLaren

February 1, 2015

Fernando Alonso poses with Spanish supporters during the first day of testing

Fernando Alonso poses with Spanish supporters during the first day of testing

February 1, 2015

Daniel Ricciardo on track in the striking RB11

Daniel Ricciardo on track in the striking RB11

February 1, 2015

Valtteri Bottas rounds the apex in the FW37

Valtteri Bottas rounds the apex in the FW37

February 1, 2015

Carlos Sainz Jr waits to climb into the STR10 on Sunday

Carlos Sainz Jr waits to climb into the STR10 on Sunday

February 1, 2015

Mercedes team-mates Nico Rosberg and world champion Lewis Hamilton pose for a selfie

Mercedes team-mates Nico Rosberg and world champion Lewis Hamilton pose for a selfie

February 1, 2015

Daniel Ricciardo gets the power down in the RB11

Daniel Ricciardo gets the power down in the RB11

February 1, 2015

Fernando Alonso on track in the MP4-30

Fernando Alonso on track in the MP4-30

February 1, 2015

Felipe Massa poses for the cameras in his 2015 overalls

Felipe Massa poses for the cameras in his 2015 overalls

February 1, 2015

Valtteri Bottas poses for the cameras in his 2015 overalls

Valtteri Bottas poses for the cameras in his 2015 overalls

February 1, 2015

The front wing of the Williams FW37 during its launch on Sunday

The front wing of the Williams FW37 during its launch on Sunday

February 1, 2015

A side view of the FW37

A side view of the FW37

February 1, 2015

Fernando Alonso on track in the MP4-30

Fernando Alonso on track in the MP4-30

February 1, 2015

Fernando Alonso pulls out of the McLaren garage for his first run in the MP4-30

Fernando Alonso pulls out of the McLaren garage for his first run in the MP4-30

February 1, 2015

Nico Rosberg rounds the apex in the Mercedes W06 Hybrid

Nico Rosberg rounds the apex in the Mercedes W06 Hybrid

February 1, 2015

McLaren's Jenson Button watches proceedings from the paddock on Sunday morning

McLaren's Jenson Button watches proceedings from the paddock on Sunday morning

February 1, 2015

Valtteri Bottas and Felipe Massa unveil the FW37 in the Jerez pit lane

Valtteri Bottas and Felipe Massa unveil the FW37 in the Jerez pit lane

February 1, 2015

Fernando Alonso is wheeled back into the pits after his first lap in the McLaren MP4-30

Fernando Alonso is wheeled back into the pits after his first lap in the McLaren MP4-30

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