No, the squares are not distorted. (The image is Copyright A. Kitaoka)

No, they are not inclined. (The image is Copyright A. Kitaoka)

No, they are not moving! :) (The image is Copyright A. Kitaoka)

No, umbrellas are not rotating! (The image is Copyright A. Kitaoka)

Not expanding. (The image is Copyright A. Kitaoka)

Not to difficult to imagine the eyes! (The image is Copyright A. Kitaoka)

Notice that they are moving ;) (The image is Copyright A. Kitaoka)

Notice the arches

Notice the difference in the orientation of the first and second floors.

Notice the handle of a cup.

Notice the letter E.

Old man face in the waterfall.

ondas-concentricas

One tree, one person, one face.

One unit square is missing.

One, two, three faces

Orange Spiral. (The image is Copyright A. Kitaoka)

Ovni

Parallel lines appears to be curved.

Parallel or not? (The image is Copyright Archimedes-Lab)