Lignum nephriticum cup made of narra Wooden (the namesake with the province) made opalescent hues when water is poured into it. These picket cups were a major pre-colonial and colonial industry of Naga. Naga could be the indigenous pre-colonial name of town. It can be named following the narra https://dallaslzkwh.goabroadblog.com/27744498/how-23naga-can-save-you-time-stress-and-money