Old man face in the waterfall.

One tree, one person, one face.

One, two, three faces

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

Real mermaid.

Scream from within poster.

Sky, moon and ice skating.

Something wrong with the ashtray?

The bookshelf.

The plant man.

The two lines are parallel to each other.

The unknown faces of nature.

Three dimensional gymnastics.

Three-dimensional windows.

Tree house.

Trees and animals.

Two faces.

Water must be falling.

Water-tile mosaic.

What are these people doing? :)