Free Photos of Nature  →  Photos of Stones  → Photo of Boulder on Mount Sinai with etchings     Wikimedia Page: http://commons.wikimedia.org/wiki/File:Boulder_on_Mount_Sinai_with_etchings.jpg Summary Description English: A Boulder etched with engravings on the path to the top of Mount Sinai in Egypt. Neither age nor purpose of the engravings could be determined. Deutsch: