ethnic hmong woman weaving linen frabric with blue dye on her fingers seen in sapa lao cai north vietnam indochina

art batik black blue closeup cloth clothing color cotton design dyed ecological ethnic fabric gray grey hand handcraft handicraft handmade homemade illustration indigo knitting linen lines made market material mong organic pattern patterned protection regular rows sakon sapa texture textured thread tradition traditional travelling vietnam weaving woman wool woven yarn