"The reason tilt-shift "sells" the miniature effect to the eye is that it allows both the foreground and background to be out of focus. We are accustomed to seeing images of city scenes, for example, where the foreground is a bit blurry, or the distant background is out of focus, but not both."What exactly is going on here? Is it taken with a drone and some sort of trickery?

Why does using a tilt-shift lens make things look miniature?
This question isn't so much about how to achieve the effect of making a scene look like it's modelled in miniature, but why tilting the focal plane creates the effect. What is it about photographing