ancient water-clock called the tower of the winds in the roman agora of athens, between the quarters of plaka and monastiraki in

acropolis aerides agora ancient andronikos archaeological archeology architecture athens attraction building called city cityscape civilization column destination europe european famous forum greece greek hellas hellenic historic history horologion kyrrhestes landmark landscape market mediterranean monastiraki neoclassical old outdoor plaka planki quarters roman ruin sightseeing site structure timepiece tourism tourist touristic tower travel unesco waterclock wind winds