Lignum nephriticum cup made from narra wood (the namesake of the province) developed opalescent colors when h2o is poured into it. These wooden cups have been A serious pre-colonial and colonial industry of Naga. Naga is definitely the native pre-colonial title of town. It's named once the narra tree https://lanegugrb.blogaritma.com/27830712/the-best-side-of-23naga