正在同步电影信息
Theeggisperhapsnature’smostperfectlifesupportsystem.Theseremarkablestructuresnurturenewlife;protectingitfromtheoutsideworldatthesametimeasallowingittobreathe.Theyarestrongenoughtowithstandthefullweightofanincubatingparentandweakenoughforahatchlingtobreakfree.Buthowisaneggmade?Whyaretheytheshapetheyare?Andperhapsmostimportantly,whylayaneggatall?Piecebypiecefromcreationtohatching,hostDavidAttenboroughrevealsthewonderbehindtheseincrediblemiraclesofnature.