Sitting in a sun - deprived valley , Rjukan installed mirrors to reflect light onto the town 's buildings . Idea initially born a century ago but was not realized due to the lack of technology at the time . Local ##s and new light will attract visitors to the town in future .
Sitting in a sun-deprived valley , Rjukan installed mirrors to reflect sunlight onto the town 's square . Idea initially born a century ago but was not realized due to the lack of technology at the time . Local businesses hope new light will draw tourists to the town in winter .