Rjukan, Norway, Relies on Mirrors for Winter Sunlight
destillat/iStock via Getty Images During the winter months, residents of Rjukan, Norway, can walk through the town’s market square and feel sunlight on their faces. This wouldn’t be noteworthy in most places, but in this part of the world, it’s miraculous. Rjukan is nestled in a mountain range that blocks the low, Arctic sun from late September through mid-March, and the only way for bright, natural light to reach the valley is through a system of giant mirrors. For the first century of its history, Rjukan spent half the year in dreary dimness. Norway sits just below the Arctic Circle,...