So his team launched a computer algorithm that simulates the movement of particles, such that they spread out and dissipate in a color scheme that fit with the background of the shot. (inc.com)
Which is why you may recognize the Margaret Hunt Hill bridge in the background of my shots! (theneonfactor.com)
And what's the background of these shots, is that a rug or a blanket?? (clothesandcamera.com)