Trevi Fountain fountain was equipped with recirculating pumps. In January 2013, it was announced that the Italian fashion company Fendi would sponsor a 20-month, 2.2-million-euro restoration of the fountain; it was to be the most thorough restoration in the fountain's history. Restoration work began in June 2014 and was completed in November 2015. The fountain was reopened with an official ceremony on the evening of November 3, 2015. The restoration included the installation of more than 100 LED lights to improve the nighttime illumination of the fountain. The backdrop for the fountain is the Palazzo Poli, given a new façade with a
Arts in Rome and the amphitheatre of Flavius, known as the Colosseum and still occasionally used for theatrical performances and concerts. The main modern theatres are: the Teatro dell'Opera, the Teatro Argentina, the Teatro Sistina, the Teatro Eliseo, the Teatro Valle, the Teatro Quirino, the Sala Umberto, the Colosseum and the Teatro Brancaccio. The largest Roman fountains are the monumental ones, most of which were built by Popes in the early modern age: the Trevi Fountain, the Fontana dell'Felice Acqua (or "the Moses"), the Quattro Fontane, the Fountain Barcaccia, the Fontana dei Quattro Fiumi, the Fontana del Nettuno and the Fontana delle Naiadi