Chinese Vice Premier Zhang Dejiang (3rd R front) listens to rescuers' report at the site of a coal mine accident in Hegang City, northeast China's Heilongjiang Province, on November 21, 2009. [Xinhua]

Rescuers are about to go down the coal mine in Hegang City, northeast China's Heilongjiang Province, on November 21, 2009. [Xinhua]