Researchers from northwest China's Ningxia are in a race to save over 20,000 ancient rock carvings on Helan Mountain, which date back between 10,000 and 3,000 years. By combining rescue efforts with preventive protection, they are utilizing digital scans, nanotechnology coatings, and environmental monitoring to safeguard these invaluable cultural treasures. Without further ado, let's dive in!

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