Philo of Byzantium called it a ploughed field "above the heads of those who walk between the columns below"
Thus it happens that a ploughed field lies above the heads of those ... is now 
thought to not be Philo the Engineer of Byzantium, but perhaps... [DOC] [TLE] Hanging Gardens of Babylon - Documents - Docslide [PAR] Apr 28, 2015 ...