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Camels depicted in 12,000-year-old rock art

Popular Science

The'incredibly beautiful' cave carvings show how humans thrived in the Arabian desert. The engravings are traced to show 19 life-sized camels and 3 equids. Naturalistic animals belonging to the middle phase are traced in white. The more stylized and standardized depictions of the later phase traced in blue. Unidentified lines traced in black.