简介:In the ice-gripped environment o二区f Alaska's Admiralty Island, summer offers the briefest o韩国f respites. Year-rou国产nd residents such as bears and seals turn to the salmon-filled wat精品erways for sustenance. Meanwhile, migrants descend in droves, from humpback whales to o一区ver 140 million seabirds--almost half the birds in the Northern Hemisphere.详情