Create an image of an old, abandoned mansion where the interior design is a mesmerizing blend of abstract shapes and colors, creating a surreal and dreamlike atmosphere.

Generate a detailed image of an old, aged mansion, long devoid of inhabitance. The inside of the mansion should be visually striking, with an interior design that is a unique blend of abstract shapes and intense colors. This combination should bring about a surreal and other-worldly ambiance, resembling that of a dream or an ethereal realm. The mansion could feature peculiar geometrical patterns, striking color contrasts, and labyrinthine spatial configurations, all contributing to an immersive, dreamlike environment.