"Don't underestimate this kind of stone tool," says Fung Ming-chu, head of the NPM's Books and Documents Department. "Representing the development from simple rocks to crafted stone tools, these relics not only illustrate human evolution, but help lay out the development of prehistoric civilization.
故宮圖書文獻處處長馮明珠指出，「不要小看這些石器，從單純用石頭砸東西，進化到製作可以用手握的砍砸石器，該文物不僅說明了人類演化過程，也填補了史前考古的發展序列。