ne qu ins ▁and ▁putting ▁some ▁heads ▁on ▁them ▁with ▁mask s ▁and ▁w igs ▁and ▁so ▁on . ▁Some ▁of ▁them ▁were ▁real ▁people , ▁so ▁they ▁start ▁moving ▁as ▁you ▁see ▁in ▁the ▁movie ." ▁Con cept ually , ▁Mus chi etti ▁himself ▁spoke ▁of ▁how ▁he ▁wished ▁to ▁keep ▁the ▁c is tern ▁more ▁ground ed ▁and ▁real , ▁instead ▁of ▁going ▁into ▁a ▁world ▁of ▁fant asy : ▁" I ▁decided ▁to ▁do ▁a ▁comp elling ▁and ▁sur real istic ▁but ▁still ▁ground ed ▁physical ▁place ." ▁Par é ▁originally ▁had ▁wished ▁that ▁the ▁se wers ▁were ▁composed ▁of ▁br icks , ▁due ▁to ▁it ▁being ▁of ▁more ▁period - ac cur acy , ▁however , ▁the ▁cost ▁was ▁de emed ▁too ▁great ▁thus ▁his ▁team ▁and ▁himself ▁decided ▁to ▁go ▁with ▁formed ▁concrete ▁which ▁was ▁constructed ▁with ▁a ▁mixture ▁of ▁pl anks ▁and ▁p lywood ▁sheets . ▁Par é ▁spoke ▁of ▁the ▁special ▁attention ▁paid ▁to ▁the ▁water ▁d rain age ▁for ▁the ▁se wer , ▁as ▁well ▁as ▁the ▁water ▁marks ▁that ▁he ▁said ▁echo ed ▁those ▁of ▁New ▁Orleans ▁after ▁H urr icane ▁K atr ina . ▁ ▁Par é ▁later ▁explained ▁that ▁his ▁team ▁looked ▁at ▁the ▁location , ▁with ▁them ▁later ▁having ▁k ids ▁clim b ▁up ▁and ▁down ▁to ▁which ▁later ▁resulted ▁in ▁the ▁construction ▁of ▁the ▁well ▁on ▁the ▁stage , ▁which ▁connect s ▁Pen ny wise ' s ▁tunnel , ▁giving ▁access ▁to ▁the ▁t unn els , ▁which ▁in ▁turn