Formula One World Championship
(L to R): Ronnie Peterson (SWE), who crashed out on lap 13 in trying to avoid another accident, watches with Derek Gardner (GBR) Tyrrell Designer as a mechanic makes adjustments to one of the front wheels on the Tyrrell P34.
Brazilian Grand Prix, Rd 2, Interlagos, Sao Paulo, Brazil, 23 January 1977.
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