09 September 2019, Hessen, Frankfurt/Main: Tina Velo, spokeswoman of the action alliance "Sand im Getriebe", is in the run-up to a press conference in the press club. The political scientist, who appears under a pseudonym, will meet Herbert Diess, CEO of Volkswagen AG, in the afternoon. "Sand in the Gearbox" wants to mobilise up to 20,000 people for a demonstration against the IAA (International Motor Show) next Saturday (14.09). Photo: Lennart Stock/dpa