
This photo taken on June 6, 2016 shows researchers working on the manufacturing of new kinds of tar for smart roads at the Eurovia research center in Merignac, near Bordeaux. Smart roads, stronger, able to light and defrost themselves, generate energy and improving the operation of autonomous cars : major construction companies work hard to give life to these technologies. / AFP PHOTO / MEHDI FEDOUACH / TO GO WITH AFP STORY BY REBECCA FRASQUETMEHDI FEDOUACH/AFP/Getty Images


