We've reached the final day of our festive countdown, so in the first of three final posts today here's Chinese architect Li Xiaodong, whose projects include a school that bridges a creek between two castles and a library clad with firewood (pictured).
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More about Dezeen's A-Zdvent calendar: Li Xiaodong
Japanese firm Atelier HAKO Architects used concrete dotted with formwork impressions for both the internal and external surfaces of these stacked residences in a suburb of Tokyo (+ slideshow). More about Concrete homes patterned with formwork holes by Atelier HAKO Architects
One thousand editions of literary journal The Paris Review cover the ceiling of skincare brand Aesop's new store in Chelsea, New York (+ slideshow). More about Aesop's Chelsea boutique is shrouded in copies of The Paris Review
This movie shows shoppers walking under and sitting beneath the Christmas lights installed above public crossings and squares in central Berlin by German studio Brut Deluxe. More about Berlin Christmas lights by Brut Deluxe
Panoramic views of the dramatic Icelandic landscape are offered from this holiday home near Reykjavik by local studio PK Arkitektar (+ slideshow). More about Árborg House by PK Arkitektar overlooks an Icelandic glacial valley
UK-based Guy Hollaway Architects has become the latest firm to install a slide inside an office building with this renovation for online events guide View London (+ slideshow). More about The Workshop offices by Guy Hollaway Architects feature a tubular steel slide
News: researchers in Australia have developed a pen to deposit regenerative stem cells onto damaged bone and cartilage in a process similar to 3D printing. More about 3D-printing BioPen "draws" with living cells to repair damaged bones
Behind today's A-Zdvent calendar window is Brazilian architect Isay Weinfeld, who we recently interviewed about his new monograph and exhibition in New York. We've also featured a string of impressive São Paulo residences by the architect, including a house with a floating spiral staircase made from Brazilian ironwood and a home made up of seven boxy volumes, all made using different materials (pictured).
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More about Dezeen's A-Zdvent calendar: Isay Weinfeld
Japanese practice k/o design studio has designed a bulbous silver building that adjoins a red-tiled rectilinear tower at the Senzoku Gakuen College of Music in Kawasaki (+ slideshow). More about Silver dome constructed at a Japanese music college
People could immerse themselves in a huge fabric cocoon at this interactive installation by architect and artist Sophia Chang (+ slideshow). More about Sophia Chang installs stretchy fabric tunnels through a gallery
We hope you've all been good boys and girls for Santa this year! Hopefully he'll deliver the suggestions collected together in our updated Christmas list Pinterest board if you ask him nicely. Check out our Pinterest board full of presents and stocking fillers »
More about Pinterest board: Dezeen's Christmas list
Today's A-Zdvent calendar features Rafael Viñoly and his Firstsite gallery wrapped in golden metal. New York architect Vinoly also made the headlines this summer after reports surfaced that his Walkie Talkie skyscraper in London was reflecting light intense enough to melt cars.
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More about Dezeen's A-Zdvent calendar: Rafael Viñoly
Architects Takero Shimazaki and Charlie Luxton have renovated a 1960s house outside London to create a modern home that features black-painted brickwork, large windows and a new angular roof (photographs by Edmund Sumner + slideshow). More about Black brick house in the woods by Takero Shimazaki and Charlie Luxton
Dezeen Music Project: a choir of outdated computer equipment and games consoles performs a rendition of Carol of the Bells in this music video by Glasgow filmmaker James Houston. More about Vintage computers sing a Christmas carol
Opinion: as protests continue against private shuttle buses for tech company workers in San Francisco, Mimi Zeiger asks how designers and architects should engage with the fight. More about "In the battle between tech and the city, should designers choose a side?"
Continuing our coverage of the recent explosion of tech company headquarters in San Francisco, here's a look inside the offices of online property rental service Airbnb, which feature rooms modelled on eight of the company's listed apartments (+ slideshow). More about Airbnb's San Francisco headquarters features rooms modelled on real apartments
The penultimate project in Polish designer Karina Wiciak's series of fantasy restaurants depicts tables locked up in prison cells. More about Imaginary restaurant designed like a prison by Karina Wiciak
The next letter in our A-Zdvent calendar is U, for Dutch architecture firm UNStudio. Pictured is Galleria Centercity, a department store in South Korea, and the architects have also recently completed a shopping centre in China with over 42,000 shiny silver balls attached to its facade.
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More about Dezeen's A-Zdvent calendar: UNStudio
The visitor centre for ancient archeological site Stonehenge opened to the public this week. Our roundup of architecture and design news follows, along with the Dezeen Music Project featured track. More about This week on Dezeen
News: Amazon has gained planning permission for a new Seattle headquarters that will feature a trio of glass orbs containing a jungle of mature trees and tropical plants (+ slideshow). More about Amazon wins approval for Seattle headquarters inside giant orb-shaped greenhouses
