, ▁making ▁and ▁receiving ▁vis its . ▁In ▁ 1 9 6 8 ▁her ▁first ▁exhibition ▁in ▁Y ug oslav ia ▁took ▁place ▁in ▁Port oro ž . ▁In ▁ 1 9 6 9 , ▁Ren zi ▁co - organ ized ▁an ▁exhibition ▁at ▁the ▁B . I . M . C ., ▁at ▁the ▁villa ▁L ava urs ▁in ▁Font aine ble au . ▁This ▁exhibition ▁not ably ▁included ▁Roberto ▁Alt mann , ▁John ▁Christ of or ou , ▁P ran as ▁G ail ius , ▁Jacques ▁H éro ld , ▁Sig ism ond ▁Kol os - V ary , ▁W if red o ▁Lam , ▁Grace ▁Ren zi , ▁Emil ▁W ach ter ▁and ▁K arel ▁Z elen ko , ▁and ▁was ▁encourag ed ▁by ▁Jean ▁Bou ret ▁in ▁Les ▁Let tres ▁Fran çais es . ▁In ▁ 1 9 6 9 , ▁Ren zi ▁began ▁teaching ▁at ▁the ▁Mary mount ▁International ▁School , ▁in ▁Neu illy . ▁ ▁In ▁ 1 9 7 0 , ▁Ren zi ▁was ▁invited ▁to ▁particip ate ▁in ▁two ▁exhib itions ▁in ▁Y ug oslav ia , ▁in ▁R ije ka ▁and ▁Pir an . ▁During ▁the ▁ 1 9 7 0 s , ▁the ▁family ▁spent ▁the ▁sum mers ▁in ▁Gro ž n jan , ▁where ▁they ▁joined ▁a ▁col ony ▁of ▁artists ▁that ▁brought ▁this ▁Ist rian ▁town ▁back ▁to ▁life . ▁Ren zi ▁particip ates ▁in ▁group ▁exhib itions ▁by ▁Gro ž n jan ▁artists , ▁in ▁Gro ž n jan ▁itself