Fascinating additional context through great supplementary material: Fly through of #PinwheelCave laser-scan #PointCloud.

movie-usa.glencoesoftware.com/video/10.1073/pnas.20145...

Original study:

D. W. Robinson et al., #Datura quids at #PinwheelCave, California, provide unambiguous confirmation of the ingestion of #hallucinogens at a #RockArt site, @PNASNews, Nov 23, 2020. 🔓

www.pnas.org/content/early/2020/11/18...

Paintings at California’s #PinwheelCave (traditional territory of the #Chumash people) may indicate first physical evidence for #hallucinogenic consumption in a #RockArt...