What a find: Archaeologists locate giant Native American cave painting
Stephen Alvarez in the glyph chamber, 19th Unnamed Cave, Alabama (photograph by A. Cressler). Source: Cambridge University Using state of the art 3D photogrammetry, researchers were able to discover one of the biggest Native American cave paintings to date. Coined by archaeologists as the 19th Unnamed Cave, it contains about 5km worth of tunnels where…