Are the dogs black or white?

Are the fences vertical or horizontal?

Are the horseman white or orange?

Are the rectangles curved?

Are the side getting curvy? (The image is Copyright A. Kitaoka)

Are the spots black or white?

Are the steps facing up or down?

Are the stripes on the blouse are vertical? :)

Are the teeth looking up or down?

Are they rotating? (The image is Copyright A. Kitaoka)

Are they rotating? (The image is Copyright A. Kitaoka)

Are what you see angels or devils?

Are you looking at the pages or the cover of the book?

Balloon

Be careful with the stairs.

Bending squares. (The image is Copyright A. Kitaoka)

Bi-directional structure

bicis g

Bizarre Dogs! Something terrible must have happened :) (The image is Copyright Archimedes-Lab)

Black and blue lines. There is no stripe.