Unfinished building is Antoni Gaudí's Sagrada Família in Barcelona, a church that has been under construction since 1882, and that is now expected to be complete in 2026. There are numerous unfinished buildings that remain partially constructed in countries around the world, some of which can be used in their incomplete state but with others remaining as a mere shell. Some projects are intentionally left with an unfinished appearance, particularly the follies of the late 16th to 18th century. Some buildings are in a cycle of near-perpetual construction, with work lasting for decades or even centuries. Antoni Gaudí's Sagrada Família in Barcelona,
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