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Located in Heilongjiang province, Wudalianchi Geological Park covers an area of 1,060 square kilometers and features extensive volcanic geologic landforms. It boasts the world's most well preserved, concentrated and complete volcanic landforms. With its vast array of common and typical volcanic landforms, Wudalianshan hold the reputation of being a 'National Volcanic Museum' and an 'Open Textbook on Volcanoes.'[Photo/Xinhua]