https://www.heritagedaily.com/2021/07/the-giant-blythe-intaglios-desert-geoglyphs/139735
Blythe_Intaglios sure makes for some interesting shapes.
https://ohp.parks.ca.gov/ListedResources/Detail/101
Who Made These Giant Desert Figures… and WHY? https://www.youtube.com/watch?v=hjez0W8SPXc
https://www.wgbh.org/program/overview/who-made-these-giant-desert-figures-and-why
Blythe Intaglios - Geoglyphs https://www.youtube.com/watch?v=K2VJ3AwWlvY