The design creates this optical illusion where chunks of the tower appear carved away, leaving the exposed "interior" visible from across the city.

Opening in 2016, it immediately displaced Baiyoke Tower as Bangkok's height champion while simultaneously becoming the city's most divisive architectural statement. The Tetris Building nickname fits—those missing pixel blocks look exactly like someone's playing a vertical game of Tetris and losing badly.

The observation deck (King Power Mahanakhon SkyWalk) operates commercially, offering those vertigo-inducing glass floor sections and panoramic city views. But the exterior photography from street level or neighboring buildings delivers the more interesting architectural perspective—watching how the pixelated pattern creates different shapes depending on viewing angle.