Most of the creatures here move up or down the slopes with the seasons 这里的大部分动物 都随着季节变化上下迁移
A female with young makes an easier target. 一只母羊和几只小羊羔 是最容易下手的目标
flowing down the valley with unstoppable force. 一刻不停地刨蚀着深谷
and is crowned with permanent snows. 并且终年覆盖积雪
as Africa, drifting northwards, collided with the southern edge of Europe. 原因是非洲板块向北漂移 与欧洲南麓相撞
It's a family - a mother with four cubs. 这个家庭由一只母狮和4只小狮组成