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People wait outside the Xinxing Coal Mine after a gas outburst accident in this video framegrab from footage by Shenzhen TV on November 21, 2009. [chinadaily.com.cn]

Relatives of miners gather at the Xinxing Coal Mine after a gas outburst accident in Hegang City, in northeast China's Heilongjiang Province, November 21, 2009. [Xinhua]