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In this photo taken on Aug. 6, 2011, a Chinese aircraft carrier, which had been under refurbishment, is docked at Dalian port in in northeast Liaoning province. China's first aircraft carrier started sea trials Wednesday, Aug. 10, 2011, a step that will likely boost concerns about the country's naval ambitions amid sea territorial disputes. (AP Photo/Color China Photo) CHINA OUT

China's first aircraft carrier begins sea trials

China's first aircraft carrier swept through fog-shrouded waters Wednesday to open sea trials.