Gush Etzion Well's Aqueduct

The Biar Aqueduct, or Wadi el-Biyar Aqueduct, is an ancient aqueduct in the northern Hebron Hills (Gush Etzion area), south of Jerusalem, that formed part of the city's historic water-supply system. Traditional attribution places its construction under Herod the Great (37–4 BC), but radiocarbon dating of its plasters indicates a mid-first-century CE build with second-century renovations associated with Aelia Capitolina, although it is possible that the entire system dates exclusively to the second century. The two-stage option might place its construction under the governorship of Pontius Pilate (AD 26–36). Sections were refurbished under the British Mandate in 1924 and remained in service until 1967.

Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).