Using Giant Mirrors to Light up Dark Valleys

The villages of Rjukan, Norway, and Viganella, Italy, are both situated in deep valleys where mountains block the sun's rays for up to six months every year. To illuminate those darker winter months, the two towns have built gigantic mirrors that track the sun and reflect daylight downwards. Viganella completed its huge computer-controlled mirror in 2006, and Rjukan followed suit just this month, mounting a mirror that will reflect a 600 square meter (6,500 square foot) beam of sunshine into the town square below.

Read more
Hints: View this page full screen. Skip to the next and previous photo by typing j/k or ←/→.

Most Recent

  • Kiran Ridley / Barcroft Media via Getty

    Photos of the Week: Smoggy Santiago, Miniature Taipei, Mermaid Parade

    A watery rescue in Russia, dragon boat racing in China, a soap box derby in France, Hawaiian lava viewed from Earth orbit, flamingos in Kenya, a boxer dressed as a lion in Germany, and much more.

  • Daniel Leal-Olivas / AFP / Getty

    Hats of the Royal Ascot

    A collection of photos of millinery miracles worn by Royal Ascot racegoers over the past few years.

  • John Moore / Getty

    On the Border With the Photographer John Moore

    A collection of images from the southern U.S. border by the Getty Images photographer John Moore, showing the landscape, those who patrol the border, and those who choose to risk everything to cross it.

  • Mike Blake / Reuters

    Photos: A Tent City for Detained Children in Texas

    Inside a port of entry facility in Tornillo, Texas, temporary housing has been built for the newly overflowing population of unaccompanied minors and the children of detained migrant parents, under the new “zero-tolerance” policy.