Lignum nephriticum cup fabricated from narra wood (the namesake from the province) created opalescent shades when drinking water is poured into it. These wood cups have been An important pre-colonial and colonial sector of Naga. Naga will be the indigenous pre-colonial name of town. It's named following the narra https://topi88situsjudislotpopule55443.sharebyblog.com/28055960/5-simple-statements-about-23naga-explained