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 for sustenance. Meanwhile, migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the birds in the Northern Hemisphere.。六个许久不联系的大学好友共聚一堂,计划共同度过3天小长假,让他们重逢的机遇却有些悲伤————六人中的亚历克斯在不久前自杀未遂,好友们决定照看并阻止他再次寻短。然而当有着无数共享记忆的旧日同窗相聚,早已被生活改变的他们将碰出怎样的火花?近在咫尺的旧爱又对已成人的密友们有何影响?。《地球之极.侣行》第五季“破冰船南极行(下)”:侣行夫妇在驾驶“北京号”破冰船归程时,遭遇全球疫情下各国禁入令,难以停靠,在全程无补给的情况下顺利返回国内。而后在海南实施“人造珊瑚海”的海洋环保计划,在开山岛、梭梭林地、敦煌完成一系列圆梦行动。。