[user_input] Sign up here.Additional reporting by Miranda Murray and Andreas Rinke in Berlin, Ludwig Burger in Frankfurt Editing by Friederike Heine and William MacleanOur Standards: The Thomson Reuters Trust Principles., opens new tab [instruction] Rewrite directly without any preamble and to be at least 500 words: Sign up here.Additional reporting by Miranda Murray and Andreas Rinke in Berlin, Ludwig Burger in Frankfurt Editing by Friederike Heine and William MacleanOur Standards: The Thomson Reuters Trust Principles., opens new tab