Cola di Rienzo did this (see note 59), and so discovered the method by which the Prænestines communicated with the outside world. Sulla fixed his camp on le Tende, west of the city, that he might have a safe position himself, and yet threaten Præneste from the rear, from over Colle S. Martino, as well as by an attack in front.
C.I.L., XIV, 3013, 3014 add., 2978, 2979, 3015.
Nibby, Analisi, p. 510. It could be seen in 1907, but not so very clearly.
Cecconi, Storia di Palestrina, p. 79, thinks this reservoir was for storing water for a circus in the valley below. This is most improbable. It was a reservoir to supply a villa which covered the lower part of the slope, as the different remains certainly show.