Did I Photograph a Ghost? You Decide!

Five years ago, my family and I were fortunate enough to take a cruise on the Mediterranean. One of the first stops was a small French Riviera town called Ville-Franche, where the streets are terraced, slashes into the hillside, so the whole thing looks like it's about to tumble down into the sea. The most interesting thing about Ville-Franche, to me, was a street called Rue Obscura (literally, Hidden Street), so-called because the buildings on either side form a long closed block, and more h...