The third large-scale demining operation is ongoing at the border between China and Vietnam in Yunnan province. Compared to the two former operations, the latest one is the most complicated and dangerous yet. (Photo/Xinhua)
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The third large-scale demining operation is ongoing at the border between China and Vietnam in Yunnan province. Compared to the two former operations, the latest one is the most complicated and dangerous yet. (Photo/Xinhua)