游客乘木筏在查干湖的芦苇丛中穿行（7月21日摄）。7月21日，2012中国吉林查干湖蒙古族民俗旅游节在吉林省前郭尔罗斯蒙古族自治县开幕，本届旅游节将一直持续至10月。随着夏季的来临，查干湖进入了旅游旺季，来这里避暑的游客也越来越多。查干湖水域总面积420平方公里，是中国十大淡水湖之一，有多种珍稀鸟类在此栖息。新华社记者 马曹冉 摄 Tourists in the reeds by raft ZhaGanHu through（On July 21, taken）。July 21,，2012 China ZhaGanHu Mongolian folk tourism festival of jilin in jilin province GuoEr Ross nationality autonomous county before opening，The festival will continue to 10 months。As in the summer，ZhaGanHu into the tourist season，Summer tourists come here will be more and more。ZhaGanHu waters a total area of 420 square kilometers，Is one of China's top 10 freshwater lake，There are a variety of rare and precious birds in the habitat。The xinhua news agency Ran horse cao is taken

    蒙古族演员在旅游节开幕式上演出（7月21日摄）。新华社记者 马曹冉 摄 At the opening ceremony of the festival in Mongolian actor performance（On July 21, taken）。The xinhua news agency Ran horse cao is taken