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February 25th, 2016 - Barcelona, Spain - Pit stop guns during the first pre season F1 Tests at Circuit de Barcelona - Catalunya. Barcelona, February 25nd, 2016. (Photo: Xavi Bonilla / Corbis) 25.02.2016 Barcelona Formula 1 Oficjalna sesja testowa przed sezonem 2016 Foto: Xavi Bonilla / Corbis / Cordon Press / PressFocus