Petroglyphs, Ometepe island, Nicaragua. CC-BY Poutine via Wikimedia Commons.
Note the similarity with some Australian petroglyphs, and of course other American art:
The Lightning Brothers, outback Australia, ancient aboriginal paintings, Hardaman style, location secret to protect art. ©
Tom Till
/ Alamy Stock Photo.
The Owl Man, or Bird Man, or Fisherman, or astronaut, in Nazca, Perú. Whatever it is, it's yet another big-eyes anthropomorphic figure. Only this one is over 30 m long. Via Phenomenalplace.com.
Wanampum Petroglyphs at Ginkgo Petrified Forest State Park, Vantage, Washington. Photo by Manuel Rincon via Panoramio.
Fig. 68. Left: Northern hemisphere petroglyphs from the Columbia River Basin, 45.65° N, 121.95° W. Right: Oblique view into the auroral plasma column from these coordinates.
