A 3D theater is a type of cinema that enhances the viewing experience by presenting films in three dimensions. This technology allows audiences to perceive depth, making the images appear more lifelike. Special glasses are typically worn to view the film, which helps to create the illusion of depth by displaying two slightly different images for each eye. In a 3D movie, filmmakers use various techniques, such as stereoscopic filming and CGI, to create the 3D effect. This immersive experience can make action scenes more thrilling and bring animated characters to life, attracting viewers who enjoy a more engaging way to watch films.