It's a desolate, silent wilderness. 虽然此时是万籁俱寂,一片荒凉的景象

63. Green returns to the Arctic.
    北极又披上了绿色的外衣
64. The receding ice reveals an immense flat plain the size of Australia.
    眼前是一片无边无际的平原 面积相当于一个澳大利亚
65. This is the Arctic tundra.
    这便是北极的苔原
66. It's a desolate, silent wilderness.
    虽然此时是万籁俱寂,一片荒凉的景象
67. But it's about to change.
    但这一切即将发生变化
68. Snow geese.
    雪雁
69. They winter along the Gulf of Mexico, and in spring they fly the entire length of North America to reach the Arctic tundra.
    它们在墨西哥湾越冬 等到春天便一路飞过北美洲 来到这里的北极苔原

来自《行星地球 第一季 第七集 Planet Earth S01E07 伟大草原》第 66 行