Micro-caving is the most fine and minuscule handiwork of China's traditional arts and crafts products. It engraves things on rice-grain-size ivory-chip, bamboo chip or milli-meter human hair. Their contents can only be seen with the aid of magnifying glasses or microscopes. Thus, it is called by people of all previous dynasties as an “unique skill”.      
Tongli Ancient Town Protection and Administration Committee
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