简介:In the ice-gripped en精品vironment of Alaska's Admiralty Island, summer offers the briefest国产 of respites. Year-round residents such as b精品ears and seals turn to the salmon-filled waterways for sustenance. Meanwhile, 国产migrants descend in droves, from humpback whales to over 140 million seabirds--almo久久st half the birds in the Northern Hemisphere.详情