A small town in Norway is set to enjoy sunlight for the first time ever in winter due to the belated realization of an engineering concept first conceived one hundred years ago.

Rjukan, a small industrial town of less than 4,000 situated in Telemark in southern Norway, does not receive any direct sunlight from September to March as a result of its location at the bottom of the narrow Vestfjord Valley, where the reach of the sun’s rays is impeded by adjacent…