https://en.wikipedia.org/wiki/Forced_perspective
The Potemkin Stairs in Odessa extend for 142 metres (466 ft), but give the illusion of greater depth since the stairs are wider at the bottom than at the top
The top step is 12.5 meters (41 feet) wide, and the lowest step is 21.7 meters (70.8 feet) wide. The staircase extends for 142 meters, but it gives the illusion of greater length.
AKA anamorphosis abscondita in Le Notre’s gardens (Louis XIV Style)
The most apparent change in this manner is of the reflecting pools. They are narrower at the closest point to the viewer (standing at the rear of the château) than at their farthest point; this makes them appear closer to the viewer.