It's about an art exhibit made up of a wall of faded photographs found after the March 11, 2011 earthquake and tsunami.
Now... relax... don't get all indignant like I did after reading the first two lines of the actual article.
University volunteers recovered, cleaned and returned as many of the photos they could to their rightful owners or relatives.
Now... left over was a plethora of photos that were badly damaged—some 3,000 photographs—which was made into a traveling exhibit of art. And this is what the story is about.