Petroglyphs etched into the dark-stained rocks. I boosted the contrast a bit to make them show up easier. Also a polarizing lens filter helped bring out the petroglyphs. Otherwise, they would have been much more washed from the sunlight reflection off of the stained surface.

Even closer view of the petroglyphs. Other petroglyphs will be shown in the next pages. This image and the one on the left are 21% size of the original.