You searched for: “geoglyphics
geoglyph, geoglyphs, geoglyphic, geoglyphics
Any ground-constructed example of rock art; such as, intaglios or rock alignments; straight lines, geometric shapes, and other representative designs found on the desert plain.

Geoglyphs can be formed by piling up materials on the ground surface or by removing surface materials and most suggest a largely ceremonial function.