Getting out of the dark takes ingenuity — and some really big mirrors

The people of Rjukan, a town in Norway, live in a valley so deep, surrounded by mountains so high that the sun used to not reach them from late October until March. But 13 years ago, three giant mirrors were installed on the mountainside, reflecting sunlight down into the town square even during the darkest months. From our partners at Deutsche Welle, DW, reporter Lars Bevanger spoke to the man behind the idea.