Lignum nephriticum cup made of narra wood (the namesake in the province) manufactured opalescent colours when water is poured into it. These wood cups had been A significant pre-colonial and colonial marketplace of Naga. Naga is the indigenous pre-colonial name of the city. It is named following the narra https://remingtonxkwht.xzblogs.com/69603648/what-does-23naga-mean