I recently processed this photo I call "open mouth lion face" and was astounded at the position of the face. It has an open mouth and a exposed tongue.
This outline glyph is located next to the "Lioness" and is looking directly at any who would be walking along the foot path on their way to the Ceremonial site. This glyph and dozens more are located along a long line of relatively flat faced cliff faces that stretch for several miles. It was a natural billboard. A place where this art was created to show the importance of this site to anyone that passed by. I have called this stretch "billboard alley" because of its ability to have so many petroglyph's, outline glyph's and pictographs placed there for peop