
Wow... look at those soft tyres after Valtteri Bottas' last longrun! Track temperature at 31°C right now.
— Tobi Grüner ???? (@tgruener) 6 maart 2018
Follow the Barcelona test live (in German): https://t.co/iWCVdbAAEe#AMuS @pirellisport pic.twitter.com/U08Esmk0wK
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