A bus of the German intercity bus service FlixBus drives past the Palais Garnier opera house on May 19, 2015 in Paris. The leader in transport services by bus in Germany, the start-up Flixbus, launched its services in Paris on May 19, 2015. The company now operates in 15 European countries. AFP PHOTO / THOMAS SAMON (Photo by THOMAS SAMSON / AFP)
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