Lignum nephriticum cup manufactured from narra wood (the namesake of the province) developed opalescent hues when water is poured into it. These picket cups have been An important pre-colonial and colonial business of Naga. Naga could be the native pre-colonial identify of the city. It really is named following https://casper7789909.ageeksblog.com/27623317/23naga-fundamentals-explained