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Or someone just scribbled on a rock as they sat waiting for prey to walk by. Not to diminish this find, but it doesn't demonstrate a pattern or show intent.

• modzu 8y ago
  article is paywalled but maybe the existence of the red ochre crayon is more important than the particular drawing -- the crayon implies intent
• gilrain 8y ago
  You think it’s more likely someone drew on a rock with a crayon unintentionally?