Lignum nephriticum cup manufactured from narra wood (the namesake in the province) made opalescent colors when h2o is poured into it. These picket cups have been a major pre-colonial and colonial field of Naga. Naga could be the native pre-colonial identify of the town. It's named following the narra https://slotgacorhanyaditopi8878888.livebloggs.com/35472566/top-latest-five-23naga-urban-news