Miners view the mural paintings in a coal mine in Huaibei city, east China's Anhui province, Nov. 27, 2007. A total of 21 mural paintings were completed in the 500-meter-deep coal mine by four artists on Tuesday. The paintings covering 700 square meters created better environment for the miners and helped them ease pressure from heavy work. (Xinhua Photo)

An artist makes final touch to a mural painting in a coal mine in Huaibei city, east China's Anhui province, Nov. 27, 2007. (Xinhua Photo) An artist makes final touch to a mural painting in a coal mine in Huaibei city, east China's Anhui province, Nov. 27, 2007. (Xinhua Photo) An artist makes final touch to a mural painting in a coal mine in Huaibei city, east China's Anhui province, Nov. 27, 2007. (Xinhua Photo)