阴山,巍峨、壮观,横亘千里.它屹立在内蒙古自治区的西南部,在地质上是东西向构造带的典型例子之一.阴山那复杂的地质构造和地层,曾吸引过多少地学工作者,如今,被发现的史前岩画数以万计,更使它闻名于世.别看这里现在被大片沙漠环抱,荒凉而寂静,然而,在数千年前,它曾经是一块沃野,成群的野 Yinshan, majestic, spectacular, across a thousand miles.It stands in the southwestern Inner Mongolia Autonomous Region, is geologically east-west structural belt is one of the typical examples.Yin Shan that complex geological structure and strata, how many geologists have attracted, now , Tens of thousands of discovered prehistoric rock paintings, but also make it famous.Don’t look here is now surrounded by large deserts, desolate and still, however, thousands of years ago, it was a fertile field, groups of wild