Visaginas ( pronunciation ) is the centre of Lithuania's youngest municipality, located on the north-eastern edge of the country. It was built as a town for workers engaged in the construction of the Ignalina Nuclear Power Plant. Russian is the first language of the vast majority of town population. Originally the aerial view of Visaginas was designed to resemble a butterfly, however, after work on the nuclear power plant was cancelled, so was further construction of the town. Currently Visaginas consists of three residential regions that locals refer to as the 1st, 2nd and 3rd Microdistricts. Visaginas have 14 streets. The city grew up in a pine forest by Lake Visaginas.