did-you-kno: Viganella, Italy is cut off from direct sunlight for 83 days in the winter due to the s
did-you-kno: Viganella, Italy is cut off from direct sunlight for 83 days in the winter due to the surrounding mountains, so they set up a giant, computer-controlled mirror on top of the mountainside to reflect the sun’s rays onto the town. Source The same thing happened in the town of Rjukan, Norway: -- source link