The Alps were raised some 15 million years ago 阿尔卑斯山崛起于1500万年前
Yet they gather in some numbers on these apparently barren slopes. 然而却有一定数量的灰熊 聚集在这片不毛之地
provide a winter refuge for some animals. 却能为一些动物提供越冬场所
are home to some very remarkable mountaineers - 住着一些非常特别的山地居民
Some might think that by climbing a great mountain 人们或许认为只要登上顶峰
Some creatures are completely at home here. 有的动物干脆在这里安家