Visiting Chinese Vice Premier Wu Yi (R3, back), Mayor of Los Angeles Antonio Villaraigosa(R2, back), and Michael Antonovich (R4, back), chairman of the Board of Supervisors of the Los Angeles county, attends a signing ceremony in Los angeles, US, April 6, 2006. The Chinese entrepreneur delegation and the Los Angeles municipality signed an array of procurement contracts worth 4.44 billion U.S. dollars, involving 27 projects. (Xinhua)

Visiting Chinese Vice Premier Wu Yi(L2, back), Mayor of Los Angeles Antonio Villaraigosa (R2, back), and Michael Antonovich (L1, back), chairman of the Board of Supervisors of the Los Angeles county attends a signing ceremony in Los angeles, US, April 6, 2006. (Xinhua)