Gabbana, Luxottica, Prada, Versace, Valentino, Zegna and four weeks a year are dedicated to fashion events. The city is also a global hub for event management and trade fairs. FieraMilano operates the world's fourth largest exhibition hall in Rho, were international exhibitions like Milan Furniture Fair, EICMA, EMO take place on 400,000 square metres of exhibition areas with more than 4 million visitors in 2018. Tourism is an increasingly important part of the city's economy: with 8.81 million registered international arrivals in 2018 (up 9.92% on the previous year), Milan ranked as the world's 15th-most visited city. Culture Museums and art galleries Milan is home to many cultural institutions, museums and art galleries, that account for about a tenth of the national total of visitors and receipts. The Pinacoteca di Brera is one of Milan's most important art galleries. It contains one of the foremost collections of Italian painting, including masterpieces such as the Brera Madonna by Piero della Francesca. The Castello Sforzesco hosts numerous art collections and exhibitions, especially statues, ancient arms and furnitures, as well as the Pinacoteca del Castello Sforzesco, with an art collection including Michelangelo's last sculpture, the Rondanini Pietà, Andrea Mantegna's Trivulzio Madonna and Leonardo da Vinci's Codex Trivulzianus manuscript. The Castello complex also includes The Museum of Ancient Art, The Furniture Museum, The Museum of Musical Instruments and the Applied Arts Collection, The Egyptian and Prehistoric sections of the Archaeological Museum and the Achille Bertarelli Print Collection (Civica Raccolta delle Stampe Bertarelli). Milan's figurative art flourished in the Middle Ages, and with the Visconti family being major patrons of the arts, the city became an important centre of Gothic art and architecture (Milan Cathedral being the city's most formidable work of Gothic architecture). Leonardo worked in Milan from 1482 until 1499. He was commissioned to paint the Virgin of the Rocks for the Confraternity of the Immaculate Conception and The Last Supper for the monastery of Santa Maria delle Grazie. The city was affected by the Baroque in the 17th and 18th centuries, and hosted numerous formidable artists, architects and painters of that period, such as Caravaggio and Francesco Hayez, which several important works are hosted in Brera Academy. The Museum of Risorgimento is specialised on the history of Italian unification Its collections include iconic paintings like Baldassare Verazzi's Episode from the Five Days and Francesco Hayez's 1840 Portrait of Emperor Ferdinand I of