简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-rou明月nd秦时 residents such as bears and seals turn to the salmon-filled waterways for sustenance. 丽人Meanwhile, migrants descend in droves, from hump免费版back whales to over 140 million seabirds--almost half the birds in the N人心orthern Hemisphere.详情