A piece of wire, transferred through drill pipe by miners trapped underground, is shown at the site of the flooding accident of Wangjialing Coal Mine in northern 皇冠体育app's Shanxi province on April 2, 2010. Sound was heard underground a flooded coal mine in north 皇冠体育app's Shanxi Province where 153 miners have been trapped for five days, a rescue official said Friday afternoon. [Photo/Xinhua]

Rescuers are seen at the site of the flooding accident of Wangjialing Coal Mine in northern 皇冠体育app's Shanxi province on April 2, 2010.[Photo/Xinhua]