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
Crown Fountain to replace LED lighting with incandescent bulbs on each of the non-video display surfaces and to replace the video surface LEDs. Plensa, who maintained control of the video faces for the first two years of the fountain's operation, understands that future generations may wish to update the faces used in the rotation of videos to reflect changes in humanity going forward. In 2014, an additional 1000 faces were anticipated for 2016. "Crown Fountain", "Trevi Fountain", and "Buckingham Fountain", as well as natural water features such as Old Faithful, are examples of the ability of water to attract people and hold