南方的座头鲸
[00:03:32]after travelling 4,000 miles from the equator,
从赤道出发 长途跋涉四千英里
[00:09:23]are finally arriving in Antarctica.
最终到达南极洲
[00:17:17]Humans have long felt the lure of this mysterious world,
长久以来 这个神秘世界引诱着世人
[00:20:37]yet it was only a hundred years ago
然而直到一百年前
[00:23:34]that the first explorers walked inland
才有第一批探险家涉足此地
[00:26:31]and were confronted by the highest,
挑战地球上的至高点
[00:28:34]driest and coldest territory on Earth.
这片最干燥 最寒冷的土地
[00:37:02]Every year, the continent is transformed
每年 当大陆周围的浮冰开始融化
[00:40:11]as the sea ice that surrounds it begins to disappear.
大陆的形态也随之改变
[00:45:49]This melt halves the size of Antarctica.
这种融化使南极洲缩小了一半
[00:56:24]It's the most spectacular seasonal change
这是我们地球上
[01:01:12]occurring anywhere on our planet.
最壮观的季节转换
[01:07:46]The remnants of the sea ice
沐浴着阳光的海豹
[01:09:21]are occupied by sunbathing seals
慵懒的躺在浮冰上
[01:11:54]that have been here all winter.
它们已在这度过了整个冬季
[01:17:01]But new arrivals are following the retreating ice edge
但随着冰雪融去 有新客到访
[01:20:07]and they have come here to hunt.
它们来此捕食