090416) -- GUANGZHOU, April 16, 2009 -- File photo dated on March 31, 2009 shows people walking near a construction site in Guangzhou, south China's Guangdong Province. China's gross domestic product (GDP) reached 6.5745 trillion yuan (939 billion U.S. dollars), or expanded by 6.1 percent year on year, in the first quarter, the National Bureau of Statistics (NBS) announced on April 16... Chen Yehua) (zj.