Formula E: Pioneering electric race series resumes on streets of Buenos Aires

    By Sarah Holt, CNN

    Updated 1545 GMT (2345 HKT) February 4, 2016

    Buenos Aires hosted round four of the 2015-16 Formula E World Championship.
    Photos: Round 4: Buenos Aires
    Buenos Aires hosted round four of the 2015-16 Formula E World Championship.
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