Vapor Aymerich, Amat i Jover
These are the windows of an old fabric factory (1907) converted now in a museum, the "Museu de la Ciència i de la Tècnica de Catalunya", The architect was Lluis Muncunill one of the great contributors of the Catalan modernisme.
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As you can read at the wikipedia: Modernismo or Modernismo catalán (2), most accurately known by its Catalan name Modernisme, is a term in art which generally refers to the Catalan early Modernist artistic movement, tied to Art Nouveau in the plastic arts and architecture and Symbolism and Parnassians in literature, existing in Catalonia around 1890-1910.
HDR from 3 different exposures - f/7,1 - 1/200seg - ISO 100 - 34mm
Nikon D80 with 18-200 VR