CHINESE scientists made another large-scale and comprehensive scientific investigation on the Chinghai-Tibet Plateau in 1975.The expansive Chinghai-Tibet Plateau more than 4,000 metres above sea...
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CHINESE scientists made another large-scale and comprehensive scientific investigation on the Chinghai-Tibet Plateau in 1975.The expansive Chinghai-Tibet Plateau more than 4,000 metres above sea...