https://www.reuters.com/article/us-tesla-china-delivery/musk-dance-moves-launch-tesla-suv-program-at-new-china-factory-idUSKBN1Z60OC >Elon Musk showed off his dance moves at the launch of Tesla's Model Y electric sports utility vehicle programme at its new Shanghai factory on Tuesday, where the company delivered its first cars built outside the United States to the public.