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The luxury SUV Bentley Bentayga car is presented during the Volkswagen group night at the Fraport arena prior to the 66th IAA auto show in Frankfurt am Main, Western Germany, on September 14, 2015. Volkswagen group showed their latest models and automotive concepts from the brands Volkswagen, Audi, Bentley, Bugatti, Ducati, Lamborghini, Porsche, Seat and Skoda. Hundreds of thousands of visitors are expected to crowd into the massive exhibition halls of Frankfurt's sprawling trade fair grounds later this week to catch a glimpse of the latest models and high tech innovations. AFP PHOTO / ODD ANDERSEN (Photo credit should read ODD ANDERSEN/AFP/Getty Images)

The luxury SUV Bentley Bentayga car is presented during the Volkswagen group night at the Fraport arena prior to the 66th IAA auto show in Frankfurt am Main, Western Germany, on September 14, 2015. Volkswagen group showed their latest models  and automotive concepts from the brands Volkswagen, Audi, Bentley, Bugatti, Ducati, Lamborghini, Porsche, Seat and Skoda. Hundreds of thousands of visitors are expected to crowd into the massive exhibition halls of Frankfurt's sprawling trade fair grounds later this week  to catch a glimpse of the latest models and high tech innovations.   AFP PHOTO / ODD ANDERSEN        (Photo credit should read ODD ANDERSEN/AFP/Getty Images)