some minor renovations and restorations in 1984, 1995–1996 and 2000. A renovation of the south wing of the museum, also known as the 'fragment building' or 'Philips Wing', was completed in 1996, the same year that the museum held its first major photography exhibition featuring its extensive collection of 19th-century photos. 21st century In December 2003, the main building of the museum closed for a major renovation. During this renovation, about 400 objects from the collection were on display in the 'fragment building', including Rembrandt's The Night Watch and other 17th-century masterpieces. The restoration and renovation of the Rijksmuseum are based on a design by Spanish architects Antonio Cruz and Antonio Ortiz. Many of the old interior decorations were restored and the floors in the courtyards were removed. The renovation would have initially taken five years, but was delayed and eventually took almost ten years to complete. The renovation cost € 375 million. The reconstruction of the building was completed on 16 July 2012. In March 2013, the museum's main pieces of art were moved back from the 'fragment building' (Philips Wing) to the main building. The Night Watch returned to the Night Watch Room, at the end of the Hall of Fame. On 13 April 2013, the main building was reopened by Queen Beatrix. On 1 November 2014, the Philips Wing reopened with the exhibition Modern Times: Photography in the 20th Century. List of directors Cornelis Sebille Roos Cornelis Apostool (1808–1844) Jan Willem Pieneman (1844–1847) Johann Wilhelm Kaiser (1873–1883) Frederik Daniël Otto Obreen (1883–1896) Barthold Willem Floris van Riemsdijk (1897–1921) Frederik Schmidt-Degener (1921–1941) David Röell (1945–1959) Arthur F.E. van Schendel (1959–1975) Simon Levie (1975–1989) Henk van Os (1989–1996) Ronald de Leeuw (1996–2008) Wim Pijbes (2008–2016) Taco Dibbits (2016–present) Building The building of the Rijksmuseum was designed by Pierre Cuypers and opened in 1885. It consists of two squares with an atrium in each centre. In the central axis is a tunnel with the entrances at ground level and the Gallery of Honour at the first floor. The building also contains a library. The fragment building, branded Philips wing, contains building fragments that show the history of architecture in the Netherlands. The Rijksmuseum is a rijksmonument (national heritage site) since 1970 and was listed in the Top 100 Dutch heritage sites in 1990. The Asian pavilion was designed by Cruz y Ortiz and opened in 2013. According to Muriel Huisman,