GLOBALink | Technological methods better preserves the Great Wall in NW China's Gansu

JIAYUGUAN, Dec. 11 (Xinhua) -- In recent years, cultural heritage protection institutions have increased the investment in the technological protection of the Great Wall. Institutions utilize technological equipment to collect data, analyze metrics and detect any possible damage. These methods guarantee the implementation of effective preservation and restoration measures in time and the Great Wall well-preserved.