Lignum nephriticum cup made from narra wood (the namesake from the province) developed opalescent shades when h2o is poured into it. These picket cups have been A significant pre-colonial and colonial industry of Naga. Naga would be the native pre-colonial identify of the town. It is actually named following https://dominickpbozk.bloggactif.com/28821808/not-known-factual-statements-about-23naga