简介:In th日本e ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-filled waterways for sustenance. Meanwhile, m三级igrants descend in droves, fro香港韩国m humpback whales to 三级over 140 million seabirds--almost half the birds in the Northern Hemisphere.详情