有一首民歌是这样描写它的: 风轻轻,草苗苗,牧歌伴羊群,良田阡陌,笑语缀满云……现在,展现在眼前的这座古城又是怎样的呢? 风还是轻轻的;绿草,没有了,黄沙茫茫一片;牧歌、羊群、良田、笑语全不见了。天空万里无云,蓦地,不知从什么地方刮来一阵风,把沙土卷得在天空中旋转。风越刮越大,沙土越卷越粗,瞬间,把太阳遮 There is a folk song is described this way: the wind gently, grass Miao Miao, herds with herds, fertile fields paddock, laughter covered with clouds ... Now, show in front of the ancient city is like? Wind or light ; Green grass, no, yellow sand vast expanse; pastoral, flocks, fertile fields, laughing all gone. The sky is cloudless, desolate, I do not know where to blow a gust of wind, the sand rolled up in the sky. Wind more scraping the larger sand more coarser, the moment, the sun cover