Nón Lá / Nón Bài Thơ
The nón lá is Vietnam's most iconic cultural symbol — the conical palm leaf hat worn by farmers, women, and children as sun and rain protection across the country. Its making is one of the most widespread craft practices in Vietnam, but the finest form — the nón bài thơ (poem hat) of Hue — is a tradition of exceptional refinement. The nón bài thơ is made from the most delicate palm leaves (lá mò o), shaped over a conical mold with up to 16 bamboo frame rings, and decorated with hidden poems or landscape images pressed between the leaf layers that are visible only when the hat is held to the light. This transmitted-light poem reveal — the hidden image visible only against bright sky — is the eighth transmitted-light assessment in the database and the only one that is an aesthetic rather than a quality function.
Risk level: Endangered · Not inscribed
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