a dark tunnel with moving squares. . blue and gray three-dimensional geometric s slowly moving in 3d format

abstract animated animation animations arch art background black blue box club concept connected corridor cyclic decorative design digital dynamic effect electric electronic element floor future game geometric geometry glow graphic gray grid illumination illustration installation laser led light lines micro mition modern mosaic motion movement moving neon pattern perspective pixel pixels play portal reflection retro room shape show simple space spectrum square stage style system template texture tile ultraviolet vibrant video violet