A Chinese dancer leaps before the Ryuga, a concept car from Japanese automaker Mazda on display as the Shanghai Auto 2007 show opens to the public in Shanghai, China on Sunday. Automakers showed off new luxury sedans, SUVs and sports cars as the Shanghai Auto Show opened Sunday, highlighted foreign efforts to boost sales in China's booming market and ambitions by up-and-coming Chinese competitors to expand abroad. (AP Photo/Ng Han Guan) Ng Han Guan