▁episode , ▁the ▁cast aw ays ▁start ▁abandon ing ▁the ▁c aves , ▁which ▁the ▁produ cers ▁considered ▁a ▁location ▁hard ▁to ▁film ▁and ▁" not ▁a est het ically ▁good ". ▁The ▁Sw an ▁would ▁become ▁a ▁center pie ce ▁location ▁because ▁of ▁its ▁myster ies ▁and ▁the ▁comm od ities ▁given ▁to ▁the ▁protagon ists , ▁such ▁as ▁electric ity ▁and ▁food . ▁The ▁station ▁was ▁designed ▁to ▁invoke ▁modern ism ▁of ▁the ▁ 1 9 7 0 s , ▁similar ▁to ▁how ▁Disney land ' s ▁Tom orrow land ▁ev okes ▁what ▁was ▁modern ▁in ▁the ▁ 1 9 6 0 s , ▁but ▁with ▁an ▁appearance ▁that ▁decay ed ▁after ▁dec ades ▁without ▁maintenance . ▁For esh adow ing ▁the ▁fact ▁that ▁the ▁station ▁is ▁used ▁for ▁dangerous ▁means , ▁the ▁design ▁added ▁the ▁concrete ▁wall ▁with ▁a ▁magnetic ▁force . ▁The ▁h atch ▁sh aft ▁was ▁completely ▁computer ▁generated ▁with ▁sh ots ▁fil med ▁using ▁a ▁gre ens creen . ▁ ▁This ▁is ▁the ▁first ▁episode ▁to ▁feature ▁the ▁song ▁" Make ▁Your ▁O wn ▁Kind ▁of ▁Music " ▁by ▁M ama ▁Cass , ▁which ▁is ▁heard ▁in ▁many ▁later ▁episodes . ▁Lind el of ▁picked ▁the ▁song ▁as ▁it ▁rem ind ed ▁him ▁of ▁his ▁child hood , ▁as ▁his ▁mother ▁" used ▁to ▁listen ▁to ▁on ▁Sunday ▁m orn ings , ▁when ▁she ’ d ▁put ▁on ▁music , ▁vac u um ▁and ▁cry ." ▁Lind el of ▁also ▁declared ▁that ▁the ▁song ▁" ly r