They're the great nomads of the plateau 它们是高原上的伟大游牧民族
The great mountain range acts as a barrier, 雄伟的山脉犹如一道高高的屏障
the highest great plain in the world. 世界上海拔最高的草原
And the leaves and stems are cropped by great herds of antelope. 而叶子和茎则被巨大的羚羊群所享受
All the inhabitants of the Great Plains are exposed to the elements. 所有生活在草原上的动物 都必须面对大自然残酷的一面
one of the planet's great migrations is underway. 地球上规模最大的迁徙大军正浩浩荡荡地行进着
the lions must travel great distances to find enough to live on. 狮子也必须长途跋涉 寻找生存所需的食物
These great scars on the face of the Earth appear to be lifeless, 这些地球脸上的大伤疤看似毫无生机
500 years ago they supported one of the world's great civilisations 500年前 它们维系着 一个世界上最伟大的文明