A vehicle is seen on a solar panel expressway during its opening in Jinan, Shandong province, China December 28, 2017. World's first photovoltaic road has been finished construction and put into test run on Thursday in Jinan. The 2-kilometer-long photovoltaic road is built 1 kilometer east to the Jinan south toll station, and the electric it generates will be delivered to the nearby small power stations. The road with transparent concrete on top can bear the weight of small vehicles and medium trucks. (Photo by Reuters/China Stringer Network)
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