Poster "Illuminated path"

We return to black and white, with this minimalist design. The rectangle is the protagonist. The work is called illuminated path, although I also see an hourglass. What shapes do you see?

Volvemos al blanco y negro, con este diseño minimalista.el rectangulo es el protagonista.la obra se llama camino iluminado, aunque yo también veo un reloj de arena.¿que formas ves tú?