2015 World Solar Challenge

Forty-five Solar cars from 25 different countries participated in the 2015 World Solar Challenge in Adelaide, a 3,000 km race from Darwin to Adelaide.
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Members of the Dutch Nuon Solar Team celebrate winning the 2015 World Solar Challenge in Adelaide on October 22, 2015. Forty-five Solar cars from 25 different countries participated in the 3,000 km race from Darwin to Adelaide. (AFP/Getty Images)
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Car of the Dutch team Nuon Solar Team crosses the finish line to win the 2015 World Solar Challenge, in Adelaide on October 22, 2015. Forty-five Solar cars from 25 different countries participated in the 3,000 km race from Darwin to Adelaide. (AFP/Getty Images)
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Members of the Dutch Nuon Solar Team celebrate winning the 2015 World Solar Challenge in Adelaide on October 22, 2015. Forty-five Solar cars from 25 different countries participated in the 3,000 km race from Darwin to Adelaide. (AFP/Getty Images)
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Crew members of the Dutch Solar Team Twente celebrate after finishing second in the 2015 World Solar Challenge in Adelaide on October 22, 2015. Forty-five Solar cars from 25 different countries participated in the 3,000 km race from Darwin to Adelaide. (AFP/Getty Images)
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Crew members of Japan's Tokai University Solar Team car celebrate finishing third in the 2015 World Solar Challenge in Adelaide on October 22, 2015. Forty-five Solar cars from 25 different countries participated in the 3,000 km race from Darwin to Adelaide. (AFP/Getty Images)
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Crew members of the Belgian Punch Powertrain Solar Team celebrate after finishing fifth in the 2015 World Solar Challenge in Adelaide on October 22, 2015. Forty-five Solar cars from 25 different countries participated in the 3,000 km race from Darwin to Adelaide. (AFP/Getty Images)
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Driver Ryder Liu of the University of Michigan Solar Car Team of the US celebrates after finishing fourth in the 2015 World Solar Challenge in Adelaide on October 22, 2015. Forty-five Solar cars from 25 different countries participated in the 3,000 km race from Darwin to Adelaide. (AFP/Getty Images)