Visitors look at the new Porsche 911 Carrera 4S on the opening day of the Los Angeles (LA) Auto Show, in Los Angeles, the United States, Nov. 30, 2018. The 2018 LA Auto Show began with 1,000 vehicles on display, test drive opportunities, various experiences and celebrity appearances. The show will remain open to the public until Dec. 9. (Xinhua/Zhao Hanrong)