Proko advises artists to use one-point perspective to make part of the composition pop forward, and two-point perspective to draw the viewer's eye deeper into the scene.

photography had emerged as an elite art pursued by a few creative individuals for a few wealthy patrons. but now, said bauldelaire, it was succumbing to "the great industrial madness of our times." it was becoming a mass production industry that catered to middle-class tastes, including a taste for gadgetry. the stereoscope, the first 3d imaging system, had turned looking at photographs into parlor entertainment. a "thousand hungry eyes were bending over the peepholes of the stereoscope as though they were the attic-windows of the infinite.

this is the picture for the question

using scientific color theory, seurat developed a systematic method of painting called pointillism.