简介:In the 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 武则天for sustenance. Meanwhile, migrants descend in droves, from humpback whales to over 140 million 女皇seabirds--almost half the一代 birds in the Northern艳史 Hemisphere.详情