THE Yumen oil field is China's oldest. Today every oil field opened up since liberation has workers from Yumen. In fact, it is said that "where there is oil there are people from Yumen."According to...
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THE Yumen oil field is China's oldest. Today every oil field opened up since liberation has workers from Yumen. In fact, it is said that "where there is oil there are people from Yumen."According to...