Frontal view of the fountain, depicting the rockery at its base; Its construction was extremely protracted, but as early as 1735 the architectural framework was complete, and by Salvi's death the ornamental rock formations and full-scale models of most of the sculpture were in place. The fountain is the most monumental water display in Rome and represents the culmination of a tradition of combining water and sculpture within an elaborate architectural setting. Salvi treated an existing façade of the Palazzo Poli as a nine-bay unit with the central three bays articulated with attached Corinthian columns suggesting an antique triumphal arch. The central bay is treated as a giant niche, which frames Maini's free-standing figure of Oceanus, fro...