Fig. 1From: Types of lime binders in mortars used for the construction of the Ming Great Wall of China and their importance for the development of a conservation strategyMap of the Ming Great Wall with sampling points (green stars) and dolomitic lime binder (red “Mg”). The Ming Great Wall in the yellow square frame was built under the former Ji Town administration (Source: Tongji-ACL, revised based on Wang 2021)Back to article page