The town of Viganella in the Italian Alps receives no direct sun for 83 days each year. So in 2006 mayor Pierfranco Midali commissioned a 26-by-16-foot mirror to be placed on a nearby mountainside at 3,600 feet. Tracking the sun with computer-controlled motors, the mirror throws light into the town square for six hours each day.Read more at Futility Closet
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