Valtteri Bottas, Mercedes, Circuit de Catalunya, 2018 Link to this image full-size: https://www.racefans.net/2018/03/01/2018-f1-season-testing-in-pictures-circuit-de-catalunya-day-four/motor-racing-formula-one-testing-test-one-day-4-barcelona-spain-252/ Valtteri Bottas, Mercedes, Circuit de Catalunya, 2018 Advert | Become a RaceFans supporter and go ad-free Valtteri Bottas, Mercedes, Circuit de Catalunya test, Thursday 1st March, 2018 Previous ImageNext Image