August 24, 2018

Lewis Hamilton on track in the Mercedes

© Charles Coates/Getty Images

August 24, 2018

Valtteri Bottas on track in the Mercedes

© JOHN THYS / AFP

August 24, 2018

Lewis Hamilton on track in the Mercedes

© JOHN THYS / AFP

August 24, 2018

Lewis Hamilton returns to the pit

© JOHN THYS / AFP

August 24, 2018

Valtteri Bottas on track in the Mercedes

© EMMANUEL DUNAND / AFP

August 24, 2018

Valtteri Bottas on track in the Mercedes

© Charles Coates/Getty Images

August 24, 2018

Lewis Hamilton on track in the Mercedes

© Dan Mullan/Getty Images

August 24, 2018

Lewis Hamilton on track in the Mercedes

© EMMANUEL DUNAND / AFP

August 24, 2018

Valtteri Bottas on track in the Mercedes

© EMMANUEL DUNAND / AFP

August 24, 2018

Mercedes practice pit stops

© JOHN THYS / AFP