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 Art Nouveau forms. Gaudí devoted the remainder of his life to the project, and he is buried in the crypt. At the time of his death at age 73 in 1926, when he was run down by a streetcar, less than a quarter of the project was complete. Relying solely on private donations, Sagrada Familia's construction progressed slowly and was interrupted by the Spanish Civil War, only to resume intermittent progress in the 1950s. Since commencing construction in 1882, advancements in technologies such as computer aided design and computerised numerical control (CNC) have enabled faster progress and construction passed the