Possible Clues:

• Ancient citadel of Athens
• Parthenon locale
• Athens citadel
• Citadel in Athens
• Athens attraction
• Citadel producing a harvest on poor soil
• A yield on poor soil in Athens
• Upper fortified part of Greek city as in Athens
• Cool Paris trashed Athenian citadel
• A yield from farm tower reverts to old citadel