 Nyorai kupfuurira kweiyi ndima - Kroitor akaratidzira basa rakakura-zhinji, Labyrinth, paExpo 67 muMontreal. Mugore rimwe chetero akabatanidza Multiscreen Corporation, iyo yakazova IMAX Corporation. Nzira yeMultivision, iyo yakanga iri mhinduro yezviitiko zvaKroitor paExpo 67, yakagadzirirwa Osaka Expo 70uye yaibatanidza firimu re70mm rakaratidzwa nenzira yakatwasuka panzvimbo pokutsika. Chimiro chimwe nechimwe chakanga chakakura sekadhi rapositi, chine maburi gumi namashanu. 