Lignum nephriticum cup crafted from narra wood (the namesake with the province) produced opalescent shades when water is poured into it. These picket cups were An important pre-colonial and colonial business of Naga. Naga is the native pre-colonial identify of town. It really is named after the narra tree https://andersonrcozl.bloggosite.com/34607269/not-known-factual-statements-about-23naga