Showcase: Shifting Sands
View the slideshow as it appears in The New York Times.
Sean Gallagher tasted sand as he focused his camera lens on a masked man who had emerged suddenly from the bright orange cloud that enveloped both of them. Unable to see more than a few yards in front of himself, Mr. Gallagher pressed the shutter and the man disappeared into the sandstorm, as if he had been an apparition.