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
Eixample to the areas already mentioned, Sant Antoni, Sagrada Família and Fort Pienc, also known as "Fort Pius". The latter has recently become notable for the number of Asian, chiefly Chinese residents and the proliferation of Asian shops. Some parts of Eixample are rather well-to-do neighbourhoods, especially around the central areas such as Passeig de Gràcia, Rambla de Catalunya and the Avinguda Gaudi/Sagrada Familia vicinity, but it also contains many decaying buildings inhabited by lonely aged tenants on the verge of poverty, especially in the fringe areas. It also has a large proportion of immigrant population. Passeig de Gràcia connects the