Guo Surname Ao Introduction: Located in the northern part of Nanji Island, Ao is 1,000 meters wide and 1,900 meters long. It is surrounded by mountains on three sides. It is the only good haven in the Nanji Islands and an important vehicle port.
The national hero Zheng Chenggong once camped here, trained his navy, crossed the sea and marched eastward, drove away the Dutch colonists and recovered the treasure island of Taiwan.
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