▁the ▁work ▁was ▁a ▁spatial ly ▁en clos ing ▁structure ▁formed ▁by ▁inter lock ing ▁can v ases ▁of ▁geometric ▁and ▁ang led ▁shapes . ▁The ▁work ▁was ▁destroyed ▁following ▁its ▁exhibition . ▁In ▁ 1 9 7 0 ▁Cast ell ani ▁re construct ed ▁the ▁environment , ▁adding ▁a ▁floor ▁and ▁ce iling , ▁and ▁re int rodu ced ▁it ▁as ▁Sp az io ▁Amb iente ▁( “ Environment ▁Space ” ) ▁in ▁the ▁land mark ▁exhibition ▁“ V ital ity ▁of ▁the ▁Neg ative ▁in ▁Italian ▁Art ▁ 1 9 6 0 / 7 0 ” ▁at ▁Rome ’ s ▁Pal azzo ▁delle ▁Esp os izioni . ▁Sp az io ▁Amb iente ▁is ▁a ▁ 3 6 0 - deg ree ▁painting ▁executed ▁in ▁a ▁transl uc ent ▁white ▁ac ry lic ▁that ▁produces ▁a ▁lum ines cent ▁and ▁trans c endent al ▁optical ▁effect . ▁Cast ell ani ' s ▁work ▁demonstr ates ▁the ▁power ▁of ▁abstract ▁painting ▁to ▁transform ▁space ▁and ▁en comp ass ▁the ▁vie wer . ▁T ogether ▁the ▁Ang olare ▁works ▁and ▁Sp az io ▁Amb iente ▁art ic ulate ▁Cast ell ani ’ s ▁determ ination ▁to ▁produce ▁un pre ced ented ▁and ▁dynamic ▁spatial ▁experiences ▁while ▁using ▁the ▁traditional ▁canvas . ▁ ▁Process ▁Cast ell ani ▁focused ▁upon ▁manip ulating ▁the ▁surface ▁configurations ▁of ▁his ▁can v ases ▁to ▁alter ▁per ception s ▁of ▁space . ▁He ▁produced ▁mon och rom atic ▁pieces ▁rendered ▁dynamic ▁by ▁the ▁action ▁of ▁disturb ing ▁elements : ▁n