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Solar vehicle MDH Solar Car of Sweden participate in street parade on the last day of 2017 Bridgestone World Solar Challenge in Adelaide, Australia on Oct. 15, 2017. (Xinhua/2017 Bridgestone World Solar Challenge)
Solar vehicle MDH Solar Car of Sweden participate in street parade on the last day of 2017 Bridgestone World Solar Challenge in Adelaide, Australia on Oct. 15, 2017. (Xinhua/2017 Bridgestone World Solar Challenge)