Lignum nephriticum cup crafted from narra wood (the namesake on the province) produced opalescent colours when drinking water is poured into it. These wooden cups ended up a major pre-colonial and colonial marketplace of Naga. Naga will be the native pre-colonial identify of town. It really is named following https://tembakikan35554.blogkoo.com/the-definitive-guide-to-23naga-47753648