2006年敬请关注！
简介：Gettoknowbearcubs,ArchieandLuke,inthisadorableclipfromtheBBCNaturalHistoryUnitprogramme,BigSkyBears.TheirfirstyearisfulloftrialsandhardshipsinthemajesticTetonMountainsintheUnitedStates.Theirprotectivemotherwatchesoutforpredatorssuchascoyotes,mountainlionsandcannibalisticbears,assheallowsthecubstolearnsurvivaltechniquesthroughplay,beforethelongandharshwinterhibernation.…