According to Greek myth, King Minos of Crete angered Poseidon, who caused the queen, Pasiphaë, to fall in love with a sacred bull. Their offspring was the Minotaur — half man, half bull — a creature so monstrous that Minos commissioned the inventor Daedalus to build an inescapable labyrinth beneath the palace of Knossos to contain it. Every nine years, Athens was forced to send seven young men and seven young women into the maze as tribute, where the Minotaur devoured them.

The hero Theseus volunteered as one of the fourteen, vowing to slay the beast. Minos's daughter Ariadne fell in love with him and gave him a ball of thread — Ariadne's thread — to unwind as he entered the labyrinth so he could find his way out. Theseus killed the Minotaur, followed the thread to freedom, and sailed away with Ariadne (whom he later abandoned on the island of Naxos, because Greek heroes were not always heroic).

What makes the myth archaeologically tantalising is the palace of Knossos itself, excavated by Arthur Evans beginning in 1900. The real palace was enormous — over 1,300 rooms connected by corridors, staircases, and light wells — and its complexity may have seemed labyrinthine to visitors. Bull imagery was everywhere: frescoes of bull-leaping, bull-head rhytons, horns of consecration on rooftops. The Minoans clearly held bulls sacred.

Whether a real ritual involving young Athenians lies behind the tribute story, or whether the labyrinth preserves a memory of the palace's baffling layout, the myth endures because of its universal resonance: the monster at the centre of the maze, the thread that leads us home, and the cost of confronting what we have tried to hide.