9 4 6 ▁the ▁Polish ▁government ▁decided ▁to ▁design ate ▁the ▁site ▁as ▁a ▁place ▁of ▁mart yr dom , ▁a ▁test ament ▁to ▁the ▁suffering ▁and ▁hero ism ▁of ▁the ▁Pol es . ▁It ▁was ▁decided ▁that ▁the ▁j ails ▁would ▁remain ▁un touch ed ▁and ▁turned ▁into ▁a ▁museum . ▁It ▁was ▁opened ▁on ▁ 1 8 ▁April ▁ 1 9 5 2 . ▁Hall ways , ▁four ▁group ▁cells ▁and ▁ten ▁solit ary ▁cells ▁were ▁preserved ▁in ▁their ▁original ▁condition . ▁In ▁accord ance ▁with ▁the ▁test imon ies ▁of ▁prisoners , ▁a ▁room ▁of ▁a ▁Gest ap o ▁officer ▁was ▁re created . ▁Several ▁tons ▁of ▁human ▁as hes ▁were ▁re located ▁to ▁the ▁Wars aw ▁Ins urg ents ▁C emetery . ▁ ▁Museum ▁visitors ▁must ▁be ▁at ▁least ▁ 1 4 ▁years ▁old . ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Official ▁website ▁ ▁Test imon ies ▁of ▁former ▁prisoners ▁in ▁' Chr on icles ▁of ▁T error ' ▁collection ▁ ▁Category : M useum s ▁in ▁Wars aw ▁Category : 1 9 5 2 ▁establish ments ▁in ▁Poland ▁Category : Def unct ▁pr isons ▁in ▁Poland ▁Category : World ▁War ▁II ▁museum s ▁in ▁Poland ▁Category : Pr ison ▁museum s ▁in ▁Poland ▁Category : M useum s ▁established ▁in ▁ 1 9 5 2 <0x0A> </s> ▁Wal sh - H av em ey er ▁House , ▁also ▁known ▁as ▁the ▁P ly m pton ▁House , ▁is ▁a ▁historic ▁home ▁located ▁at ▁New ▁W inds or ▁in