A Taiwan Coast Guard officer stands guard under a Taiwanese flag during Taiwanese President Ma Ying-jeou's visit to Pengjia Islet in the East China Sea, north of Taiwan, Saturday, April 9, 2016. Ma visited the small island to reassert Taiwan's sovereignty and its role in the contested region, one of the key issues of his administration that ends next month. Ma's visit to Pengjia, roughly 35 miles (56 kilometers) north of Taiwan proper, was his administration's second propaganda trip to an island in three weeks. It came four years after Ma last visited Pengjia to propose a plan to address territorial disputes between China, Taiwan and Japan over the nearby chain known as Senkaku in Japanese and Diaoyutai in Chinese. (AP Photo/Chiang Ying-ying)
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