Lignum nephriticum cup product of narra wood (the namesake on the province) generated opalescent hues when h2o is poured into it. These picket cups have been An important pre-colonial and colonial business of Naga. Naga could be the indigenous pre-colonial name of town. It's named after the narra tree https://remingtonqdnzj.blogthisbiz.com/35419382/top-latest-five-23naga-urban-news