They grow in Alpine climates, which is above the treeline.

它们在高于林线的高山气候中生长。

As the planet warms, the Arctic treeline is accelerating towards the pole, turning the white landscape to green.

随着地球变暖，北极林线正在加速向极地移，将白色景观变成绿色。

Well above the treeline in Norway's highest mountains, ancient fields of ice are shrinking as Earth's climate warms.

随着地球气候变暖，远在挪威最高山林线上方的古老冰原正在缩小。

But the witness told police that he watched in horror as a man came out of the woods, grabbed Heather at gunpoint, and dragged her back into the treeline.

但告诉警方，他惊恐地看着一名男子从树林中走出来，用枪指着希瑟，将她拖回树林中。