Sounds like the Norwegian town Rjukan that doesn't get any sunlight during winter, so they put a huge mirror on a mountain top. https://www.theguardian.com/wor

Sounds like the Norwegian town Rjukan that doesn't get any sunlight during winter, so they put a huge mirror on a mountain top. https://www.theguardian.com/world/2013/nov/06/rjukan-sun-norway-town-mirrors https://www.theguardian.com/world/2013/nov/06/rjukan-sun-nor...