petroglyphic drawing
1petroglyph — petroglyphic, adj. petroglyphy /pi trog leuh fee/, n. /pe treuh glif /, n. a drawing or carving on rock, made by a member of a prehistoric people. Also called petrograph. [1865 70; < F pétroglyphe. See PETRO 1, GLYPH] * * * …
2Rongorongo — Infobox Writing system name = Rongorongo type = Undeciphered time = Time of creation unknown, most tablets lost or destroyed in the 1860s languages = Assumed to be Rapanui sample = Rongorongo Qr3 7 color.jpg iso15924 = RoroRongorongo… …
