▁( 1 9 8 4 - 1 9 8 9 ) ▁Begin s ▁notes ▁on ▁the ▁Société ▁Im ag inar ie . ▁ ▁Through ▁the ▁inter vention ▁of ▁the ▁cultural ▁authorities ▁in ▁West ▁Germany , ▁Schloss ▁Sch aum burg ▁becomes ▁his ▁working ▁and ▁living ▁facilities ▁during ▁his ▁stay ▁in ▁Europe . ▁ ▁He ▁creates ▁a ▁large ▁series ▁of ▁new ▁works , ▁between ▁them ▁one ▁of ▁the ▁most ▁important ; ▁the ▁‘ L ahn th al ’ ▁painting . ▁He ▁is ▁invited ▁by ▁the ▁Senate ▁of ▁W . ▁Berlin ▁to ▁create ▁a ▁project ▁for ▁a ▁monument al ▁sculpt ure ▁for ▁the ▁Ernst ▁Re uter ▁Platz ▁of ▁that ▁city . ▁Made ▁from ▁living ▁plants ▁he ▁decided ▁to ▁call ▁it ▁‘ The ▁Living ▁Wall ’ ▁and ▁preced ed ▁in ▁his ▁efforts ▁to ▁initi ate ▁what ▁later ▁Ron ald ▁Re agan ▁would ▁proc laim ▁with ▁“ this ▁wall ▁must ▁come ▁down ”. ▁The ▁presentation ▁of ▁this ▁working ▁model ▁takes ▁place ▁in ▁Bad ▁E ms ▁in ▁October . ▁Michel ▁But or , ▁having ▁been ▁present , ▁later ▁wrote ▁from ▁this ▁experience ▁a ▁declar ative ▁text ▁on ▁ill um ination . ▁ ▁Pierre ▁Rest any ▁vis its ▁Bat uz ▁in ▁Sch aum burg . ▁ ▁Bat uz ▁travel s ▁throughout ▁the ▁Amer icas ▁meeting ▁with ▁his ▁pe ers ▁and ▁begins ▁to ▁further ▁form ulate ▁his ▁idea ▁for ▁the ▁Société ▁Im ag inaire . ▁His ▁trip ▁starts ▁with ▁a ▁stop ▁in ▁Mexico ▁City ▁with ▁Oct av io ▁Paz , ▁who ▁calls ▁him ▁“ the ▁president ▁of ▁our ▁Société ▁Im ag