The "It's a Mad, Mad, Mad, Mad World" premiere (filmed in Ultra Panavision 70) marked the dawn of "single lens" Cinerama. Previously, Cinerama was known for its groundbreaking three-projector process. From 1963 until 2002, the Cinerama Dome never showed movies with the three-projector process. (The nearby Warner Cinerama at 6433 Hollywood Boulevard used the three-projector process until December 1964.) A unique "rectified" print was made with increased anamorphic compression towards the sides, which compensated for distortions that would otherwise be induced by Cinerama's deeply curved screen.