Lignum nephriticum cup made from narra wood (the namesake from the province) generated opalescent colors when drinking water is poured into it. These picket cups ended up An important pre-colonial and colonial market of Naga. Naga may be the indigenous pre-colonial title of town. It's named following the narra https://gregorydreqb.blog-gold.com/34382072/5-simple-statements-about-23naga-explained