简介:In the ice-gripped environment of Alaska's北条 Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-fil麻妃led waterways for sustenance. Meanwhile, mi在线播放grants descend in droves, from humpback whales to over 140 million seabirds--almost half 电影the birds in the Northern Hemisphere.详情