Elephants are not exactly commonplace in the European landscape, so when archaeologists uncovered an elephant foot bone among the rubble of an Iron Age dig in Spain, they knew it could be something special. Based on the bone's age and where it was found, it might even be the first physical evidence of the Carthaginian general Hannibal's famous 'war elephants'. Images of these elephants tromping through a battlefield have been preserved through the centuries in art and literature. But until now,