Over 60 years ago, there was a vast expanse of sparsely inhabited land stretching over 57,600 square km to the north of China's northeastern Heilongjiang Province, bordering Russia. Called Beidahuang...
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Over 60 years ago, there was a vast expanse of sparsely inhabited land stretching over 57,600 square km to the north of China's northeastern Heilongjiang Province, bordering Russia. Called Beidahuang...