Petroglyphs of AlabPetroglyphs of Alab is a Tentative List of UNESCO World Heritage Sites; National Cultural Treasure, National Museum located at Bontoc, Mountain Province, CAR.
The Petroglyphs of Alab are drawn on a big boulder. The boulder is on a plateau called Data, which is about 1500 meters above sea level. Numbering over 200 figures, the geometrical drawings are composed mostly of isosceles triangles oriented upside down. These are said to depict or represent the female genital organs locally known as pudenda. Unlike its Angono counterpart, the Alab drawings were engraved with the use of a mental implement and are associated with fertility rites.