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Scientists in China are preserving 20,000 ancient rock carvings in Helan Mountain, combining tourism with protection.
Researchers in China are working to preserve over 20,000 ancient rock carvings in Helan Mountain, dating back 10,000 to 3,000 years.
The carvings depict natural images, human faces, animals, and ancient life scenes.
Preservation efforts include field surveys, constructing flood-prevention dams, and protective fencing to balance tourism with protecting these national cultural heritage sites.
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Científicos en China están preservando 20.000 antiguas tallas rupestres en la montaña Helan, combinando turismo con protección.