SOME 50 kilometers south of Ning'an county seat. Heilongjiang province in China's northeast lie the ruins of the ancient city of Shangjing Longquan, capital of the kingdom of Bohai. Excavations...
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SOME 50 kilometers south of Ning'an county seat. Heilongjiang province in China's northeast lie the ruins of the ancient city of Shangjing Longquan, capital of the kingdom of Bohai. Excavations...