Hong Kong, Dec 19, SPA -- China's president Hu Jintao arrived in Macau Sunday to celebrate the fifth anniversary of the former Portuguese colony's return to Chinese sovereignty. Hu praised the achievements of the densely populated territory of 500,000 people in southern China on his arrival Sunday morning, saying Beijing was pleased with its economic and social development. --SPA 1436 Local Time 1136 GMT www.spa.gov.sa/226057