A man visits inside a Mercedes-Benz Future Bus at the Mercedes-Benz exhibition Stand during the IAA commercial vehicles trade fair on press day in Hannover, Germany, Sept. 21, 2016. (Xinhua/Luo Huanhuan)
A man visits inside a Mercedes-Benz Future Bus at the Mercedes-Benz exhibition Stand during the IAA commercial vehicles trade fair on press day in Hannover, Germany, Sept. 21, 2016. (Xinhua/Luo Huanhuan)