简介:In the ice-gripped environment二区 of Alaska's Admiralty Island, summer offers the briefest of respites. Year-roun在线d residents such as bears and 尤物seals turn一区 to the salmon-filled waterways for sustenance. M欧美eanwhile, migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the birds in the Northern Hemisphere.详情