I'm not going to pretend this is a small task either; certainly none of us here can claim to have accomplished it. it's the realm of masters. still, it's what we all have to try for.
#2..
what program do you use to make that low poly 3d stuff?
By blurring, the viewer's gaze may be directed away from parts of the image the photographer wishes to de-emphasize.A smaller depth of field can also be simulated by bringing the foreground and/or background out of focus.Perspective can be corrected for by sharpening the focus of a foreground and background that would otherwise be inside the depth of field; in theory, perfect perspective correction happens when the planes of the lens, the image sensor, and the object being imaged all intersect.Miniature faking, in which the location in the photograph appears to have been created in miniature, can be done using the technique.