10 defining moments from the 2018 Formula One season

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The first-corner crash at August's Belgian Grand Prix produced one of the most dramatic images of the 2018 season. Shunted from behind by Nico Hulkenberg, Fernando Alonso's McLaren was sent airborne and bounced off Charles Leclerc's car, just centimeters from the Monégasque's head. The incident brought focus back onto the "Halo" device -- brought into F1 in 2018 for the first time -- that undoubtedly prevented serious injury to Leclerc.
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