The Room of Requirement was described as a room with no beginning or end. To achieve the sense of infinity, the visual effects crew spent five months designing the room by having rotatable mirrors installed that would minimize camera and crew reflection as well as to avoid the Hall of Mirrors effect (a common term in CGI). Also, the lighting underneath the grille was quite bright to generate reflection, so the floor had to be in black, cast members had to have black velvet covering their shoe soles, while the crew had to wear surgical shoes to prevent treading dust onto the floor set.
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05-03-2025 alle ore 09:01