BEIJING (Xinhua) -- The world's auto makers unveiled their latest models at a special media opening of the 2008 Beijing International Automotive Exhibition on April 20. A record 9,000 journalists, including 1,000 from abroad, are given a preview of seven models making their global debuts at the tenth Beijing auto show, which opens to the public from April 22 to 28. Organizers expect around 600,000 visitors, including 30,000 from overseas, to the one-week-long exhibition.