简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offer国产s the briefest of respites. Year-round residents such as bears and seals turn to the salmon-filled wat免费erways for sustenance. Meanwhile, migrants de麻花scend in 传媒droves, from humpback whales to over 140 million seabirds--almo入口st half the birds in the Northern Hemisphere.详情