曾经,这里战火纷飞,3000年间发生过500场战争,距今最近的淮海战役把这里雕刻成一座英雄之城。曾经,这里石山遍布,主城区内72座石质荒山寸木不生,新中国成立初期,1%的森林覆盖率让这里成为石头之城。曾经,这里煤尘滚滚,数以亿万吨计的煤炭资源被开采殆 Once, the war was fierce here, there were 500 wars in 3000 years, and the recent Huaihai Battle sculptured here into a city of heroes. Once, there are stone mountains here, the main city of 72 stone barren wood is not born, the early days of the founding of New China, 1% of the forest coverage to make here a stone city. Once, where the coal dust billowed, hundreds of millions of tons of coal resources are exploited forever