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Mercedes' Finnish driver Valtteri Bottas drives during the first practice session of the Formula One Singapore Grand Prix in Singapore on Sept. 15, 2017. (Xinhua/Then Chih Wey)
Mercedes' Finnish driver Valtteri Bottas drives during the first practice session of the Formula One Singapore Grand Prix in Singapore on Sept. 15, 2017. (Xinhua/Then Chih Wey)