A staff member lays out models of a newly-developed space rocket system during the South by Southwest (SXSW) Conference and Festivals in Austin of Texas, the United States, March 8, 2019. The 10-day South by Southwest (SXSW) Conference and Festivals, a conglomerate of film, interactive media, music festivals and conferences, kicked off here on Friday. (Xinhua/Wang Ying)