It turned out to be a 1,600-year-old fabric fragment woven with ... Photos show the vague outline of a leaf-shaped patch of threads and what the fabric may have looked like when buried.

It was used in the Edo Period (1603-1867) to reinforce and patch clothes together by reusing pieces of old, worn-out garments. Uniqlo staff at the store mend ripped jeans and shirts by adding ...