This collage made by the author of the text, it exemplifies the idea of the use of materials for the sake of movement and reflection of light. This are the eyes section of masks found in underworld, they where offerings displaying a range of colors and materials that respond to a sum of symbolisms still far from being understood, yet the eyes respond clearly to light, becoming alive with movement. In other cases we see a spiral drawn in the sclerotic symbolizing the same idea.