皖东的盛夏，白天骄阳似火，晚上依然暑气逼人。 ２００１年７月１２日夜，定远县八一乡八一村前许村民组的张树银辗转难眠。一向怕热的他总感到周身都是热的——身下的凉席热乎乎的，电扇吹来的风也是热燥燥的。翻来覆去的他折腾到１３日凌晨２时，仍未能入眠。突然，有一股烟 Summer in the east of Anhui Province, daytime sun-like fire, the heat is still pressing at night. On the night of July 12, 2001, Zhang Shurong, a former villager group from Bayi Village, Bayi Township, Dingyuan County, was removed from sleep. Always afraid of the heat he always felt the whole body is hot - the body under the mat warm, fan blowing wind is hot and dry. He toss over and over again to 2 o’clock on the 13th, still unable to sleep. Suddenly, there is a cigarette