Struthion Pool
The Struthion Pool, effectually translated from the Greek as 'Sparrow Pool' (Jewish Palestinian Aramaic: אשווח צפרא) is a large cuboid cistern beneath the Convent of the Sisters of Zion in the Old City of Jerusalem, built by Herod the Great in the first century BCE. == Construction == === Hellenistic precursor and Herodian pool === Lying at the foot of the rock scarp that once bore the Antonia Fortress, the pool is located at the northwestern corner of Jerusalem's Temple Mount. Measuring 52 by 14 metres, the pool is oriented from northwest to southeast, with its depth increasing from 4.5 metres in the north to 6 metres in the south.