It’s much easier to build a new building,” says Vassiliki Eleftheriou, “than to rebuild an ancient one.” Eleftheriou, an architect by training, is director of the Acropolis Restoration Service, where ...

Graffiti etched into a rock outcropping millennia ago by a shepherd named Mikon may be a crucial piece of evidence confirming the nature of a hotly debated ancient structure on the Athenian Acropolis.