Lignum nephriticum cup made from narra Wooden (the namesake in the province) created opalescent shades when water is poured into it. These picket cups were A serious pre-colonial and colonial field of Naga. Naga may be the native pre-colonial name of the town. It is named following the narra https://trentondseqb.theblogfairy.com/27807073/a-secret-weapon-for-23naga