Before revision: Errico Alvino was commissioned to construct a military passage for troops connecting the Royal Palace of Naples to Via Morelli, boring underneath the hill of Pizzofalcone and reaching the quartiere San Ferdinando, but also connecting to other underground tunnels and aqueducts, including the old Carmignano aqueduct (1627–1629).
After revision: Errico Alvino was commissioned to construct a military passage for troops connecting the Royal Palace of Naples to Via Morelli, boring underneath the hill of Pizzofalcone and reaching the quartiere San Ferdinando, but also connecting to other tunnels and aqueducts, including the old Carmignano aqueduct (1627–1629).