A birthday message on the visor of Brendon Hartley, Toro Rosso
Foto: Andy Hone / Motorsport Images
Brendon Hartley, Toro Rosso, views a birthday message on his helmet visor
Foto: Andy Hone / Motorsport Images
Mercedes supply of Supersoft tyres
Foto: Steven Tee / Motorsport Images
Romain Grosjean, Haas F1 Team
Foto: Andy Hone / Motorsport Images
Mercedes-AMG F1 W09 rear detail
Foto: Giorgio Piola
Robert Kubica, Williams
Foto: Mark Sutton / Motorsport Images
Kevin Magnussen, Haas F1 Team, in cockpit
Foto: Andy Hone / Motorsport Images
Lewis Hamilton, Mercedes-AMG F1 W09
Foto: Mark Sutton / Motorsport Images
Lance Stroll, Williams Racing, enters his cockpit in the team's garage
Foto: Glenn Dunbar / Motorsport Images
Giant Red Bull Racing flag
Foto: Mark Sutton / Motorsport Images
Charles Leclerc, Sauber C37
Foto: Steven Tee / Motorsport Images
A poppy on the airbox of Sergey Sirotkin, Williams Racing
Foto: Glenn Dunbar / Motorsport Images
Lewis Hamilton, Mercedes AMG F1
Foto: Jerry Andre / Motorsport Images
Honda branding on a Toro Rosso engine cover
Foto: Andy Hone / Motorsport Images
Sebastian Vettel, Ferrari SF71H
Foto: Steven Tee / Motorsport Images
Stoffel Vandoorne, McLaren.
Foto: Steven Tee / Motorsport Images
Stoffel Vandoorne, McLaren MCL33
Foto: Mark Sutton / Motorsport Images
Pierre Gasly, Toro Rosso STR13 Honda
Foto: Andy Hone / Motorsport Images
Lewis Hamilton, Mercedes AMG F1 W09 EQ Power+
Foto: Jerry Andre / Motorsport Images
Pole sitter Lewis Hamilton, Mercedes AMG F1 and Valtteri Bottas, Mercedes AMG F1 celebrate in Parc Ferme
Foto: Mark Sutton / Motorsport Images
Lewis Hamilton, Mercedes AMG F1, celebrates taking pole position in parc ferme.
Foto: Steven Tee / Motorsport Images
Sebastian Vettel, Ferrari SF71H
Foto: Jerry Andre / Motorsport Images
Fernando Alonso, McLaren, adjusts his crash helmet
Foto: Steven Tee / Motorsport Images
Kimi Raikkonen, Ferrari SF71H
Foto: Manuel Goria / Motorsport Images