简介:In the ice-gripped e无码nvironment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-filled wa日韩terways fo电影r sustenanc字幕e. Meanwhi中文le, migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the birds in the Northern Hemisphere.详情