Lignum nephriticum cup product of narra wood (the namesake of the province) created opalescent hues when drinking water is poured into it. These wooden cups ended up An important pre-colonial and colonial field of Naga. Naga is the native pre-colonial name of the town. It truly is named following https://casper7742222.ssnblog.com/27746706/the-smart-trick-of-23naga-that-nobody-is-discussing