Barcelona "modernista" architecture (related to the movement known as Art Nouveau in the rest of Europe) developed between 1885 and 1950 and left an important legacy in Barcelona. Several of these buildings are World Heritage Sites. Especially remarkable is the work of architect Antoni Gaudí, which can be seen throughout the city. His best-known work is the immense but still unfinished church of the Sagrada Família, which has been under construction since 1882 and is still financed by private donations. , completion is planned for 2026. Barcelona was also home to Mies van der Rohe's Barcelona Pavilion. Designed in 1929 for
Sagrada Família scheduled, instructions to obtain an invitation are posted on the basilica's website. In addition, visitors may pray in the chapel of the Blessed Sacrament and Penitence. On 19 April 2011, an arsonist started a small fire in the sacristy which forced the evacuation of tourists and construction workers; the sacristy was damaged, and the fire took 45 minutes to contain. The style of la Sagrada Família is variously likened to Spanish Late Gothic, Catalan Modernism and to Art Nouveau or Catalan Noucentisme. While the Sagrada Família falls within the Art Nouveau period, Nikolaus Pevsner points out that, along with Charles