剧情介绍
ThethinbluelineofourplanetthatwecanseefromspaceiswhatmakesourEarthuniqueinthewholeuniverse.Theoxygenintheatmospheresustainalllifeformontheplanet.SeehowaflyingriverinSouthAmerica,ashiftingdust-stormthroughtheAtlantic,collapsingglaciersintheArcticandthetiniestyetthemostcrucialcreatureintheworldhelpusalljusttobreathe. 展开全部