rag ▁of ▁rock ▁over looking ▁Middle ▁Har bour , ▁known ▁locally ▁as ▁Edinburgh ▁Castle . ▁The ▁Griff ins ▁came ▁to ▁Castle c rag ▁in ▁ 1 9 2 5 ▁after ▁t iring ▁of ▁the ▁politics ▁surrounding ▁implementation ▁of ▁their ▁designs ▁for ▁Australia ' s ▁capital ▁city , ▁Can ber ra . ▁ ▁Many ▁early ▁homes ▁in ▁Castle c rag ▁were ▁built ▁using ▁natural ▁stone ▁to ▁bl end ▁into ▁the ▁environment , ▁a ▁common ▁practice ▁in ▁architecture ▁of ▁the ▁Arts ▁and ▁C raft s ▁Mov ement , ▁which ▁was ▁concerned ▁with ▁creating ▁" the ▁human ▁touch " ▁as ▁distinct ▁from ▁mass ▁production . ▁Other ▁homes ▁of ▁this ▁period ▁were ▁built ▁with ▁br icks ▁using ▁Walter ▁Bur ley ▁Griff in ' s ▁pat ented ▁Kn it lock ▁system . ▁Histor ically , ▁Castle c rag ▁was ▁noted ▁in ▁the ▁early ▁ 2 0 th ▁century ▁as ▁an ▁experiment ▁in ▁commun al ▁and ▁community ▁planning ▁and ▁living , ▁and ▁for ▁the ▁liberal ▁intellectual , ▁The osoph ical , ▁Anth ro pos oph ical ▁and ▁Natural ▁history ▁views ▁of ▁its ▁inhabitants . ▁ ▁The ▁H aven ▁Am ph it he atre ▁is ▁under going ▁re development ▁by ▁Will ough by ▁City ▁Council . ▁This ▁project ▁while ▁under way ▁has ▁been ▁subject ▁to ▁count less ▁del ays ▁and ▁controvers y . ▁It ▁is ▁en vis aged ▁that ▁the ▁new ▁H aven ▁Am ph it he atre ▁Stage ▁will ▁significantly ▁enh ance ▁the ▁ability ▁of ▁the ▁site ▁to ▁operate ▁again ▁as ▁a ▁performance ▁ven ue . ▁The ▁famous ▁H