The 365 wooden sledges used to construct this Christmas tree in Budapest by Hungarian designers Hello Wood will be given to a local children's charity following the festive period (+ movie). More about Christmas tree made from sledges
Dutch supermarket Spar's flagship store in Budapest features a series of undulating wooden forms through its interior by local firm LAB5 architects (+ slideshow). More about Spar supermarket displays groceries between curved wooden ribs
We've reached the final edition of our festive A-Zdvent calendar of architects, which wouldn't be complete without Zaha Hadid. The architect's recent built projects include the Heydar Aliyev Centre in Azerbaijan (pictured) and a new exhibition space for the Serpentine Gallery in London, but she is also working on a stadium for the Tokyo 2020 Olympics and a Miami skyscraper.
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More about Dezeen's A-Zdvent calendar: Zaha Hadid
News: the Russian designer of the AK-47 assault rifle Mikhail Kalashnikov has died aged 94. More about Mikhail Kalashnikov 1919-2013
Ma Yansong of Beijing studio MAD is the penultimate architect to appear in this year's A-Zdvent calendar. Featured here is his blob-shaped Ordos Museum in the Gobi desert, which is clad in polished metal tiles to resist sandstorms. The firm also recently presented a masterplan for China where buildings are designed to look like mountains and public spaces overlap with the natural landscape.
See more architecture by MAD architects »
More about Dezeen's A-Zdvent calendar: Ma Yansong
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).
See more architecture by Isay Weinfeld »
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?"
