&lt;Korean News&gt; CGV Unveils World's First Four-Sided SCREENX Theater at Yongsan I'ParkMall.#CGVSCREENX #FourSidedScreen #ImmersiveCinema #DolbyAtmos #SCREENXTheater #MovieTechnology #YongsanMall #InnovativeCinema #CJ4DPLEX #NextGenMovies