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Nuon Solar Team vehicle Nuna9 from the Netherlands races on Day 5 of the 2017 Bridgestone World Solar Challenge in Adelaide, Australia on Oct. 12, 2017. (Xinhua/2017 Bridgestone World Solar Challenge)
Nuon Solar Team vehicle Nuna9 from the Netherlands races on Day 5 of the 2017 Bridgestone World Solar Challenge in Adelaide, Australia on Oct. 12, 2017. (Xinhua/2017 Bridgestone World Solar Challenge)