Heliaia - the Popular court of ancient democratic Athens.[Aerios Pagos was the official trial court instead]. People congregated at the Pnyx before the democratic revolution. Here the judges were called heliasts. It was a social court of popular rule.IN THE PHOTO: HELIAIA VIEWED FROM THE AREA OF THE WATER-CLOCK.IT WAS THIS WATER CLOCK THAT COUNTED THE TIME OF THE LAST WORDS OF SOCRATES.Photo; march 2019