-- AFP PICTURES OF THE YEAR 2015 -- Matthias Mueller, CEO of German car maker Volkswagen, gestures while addressing journalists after visiting an assembly line of the VW plant in Wolfsburg, central Germany, on October 21, 2015 . Volkswagen shook Germany's powerful automobile industry with revelations in September 2015 that it had fitted 11 million of its diesel vehicles with software designed to cheat official pollution tests. AFP PHOTO / ODD ANDERSEN