In certain lighting conditions, silk produces a shimmering optical effect, which is due to the triangular prism-like structure of silk fibers. These prisms reflect light at various angles, which results in the subtle rainbow hue that has made silk so famous. This regional nature park is situated on the Morvan https://www.catawiki.com/en/l/85648163-silk-bedspread-225-cm-195-cm-silk-damask