Over millennia, rain and ice carved the rock into a landscape of spires and canyons. 千万年后 雨水和冰川 已将岩石雕琢成尖峰与峡谷
a lake of lava that has been molten for over a hundred years. 岩浆湖在此沸腾了100多年
It's over a hundred metres below the level of the sea. 它的地势低于海平面100多米
the sun once more rises over Antarctica. 太阳重新在南极上空升起
but its distribution over the land is far from even. 不过 水在陆地上的分配极不平均
Some herds travel over 2,000 miles a year in search of fresh pastures. 有的鹿群一年得走上2000多英里 才能到达新鲜草场
Now, over six billion crowd our fragile planet. 如今 已有超过60亿人拥挤在 我们这颗脆弱的星球上