As the 'Star Wars' sets decay, fan photos are helping scientists learn how sand moves

The home of young Anakin Skywalker is about to be lost to the desert winds. A large sand dune is now about 30 feet away from enveloping the set of Mos Espa near Tozeur in Tunisia, which was constructed in 1997 to serve as Anakin's home in The Phantom Menace. But while that may be a loss for Star Wars …