RT @gunsnrosesgirl3: Holographic fan producing  an illusion of 3D objects hovering  in the air

 https://t.co/QvRfQ4nthf https://video.twimg.com/ext_tw_video/1853110305452441600/pu/vid/avc1/720x900/4Ex4gUnrATvrbZVF.mp4?tag=12