The letter L in our festive countdown of bridges is the Langkawi Sky Bridge, a cable-stayed structure at the top of a mountain on Malaysia's Langkawi archipelago. More about Dezeen's A-Zdvent calendar: Langkawi Sky Bridge by Peter Wyss
This house for a retired couple in the Norwegian city of Grimstad features a brick base supporting a wedge-shaped timber roof that incorporates a balcony overlooking the nearby fjords (+ slideshow). More about Schjelderup Trondahl Architects' Vardåsen House is topped with an angular timber box
Hennebery Eddy Architects has clad a fire station in rural Oregon with charred wood, turning "the destructive manner of fire into an image of beauty" (+ slideshow). More about Oregon fire station by Hennebery Eddy features a burnt wood facade
Design Miami 2015: Revolution Precrafted is aiming to "democratise high-design and architecture" with prefab structures by over 30 famous designers including Tom Dixon, Marcel Wanders, Kengo Kuma and Zaha Hadid. More about Revolution Precrafted recruits famous architects and designers to create prefab homes
London-based Heatherwick Studio and Canadian firm Diamond Schmitt have been selected to replace Foster + Partners on the overhaul of Lincoln Center's David Geffen Hall, home to one of New York's leading orchestras. More about Thomas Heatherwick to redesign home of New York Philharmonic orchestra
The Tower of London's famous resident ravens have a new home in a set of oak and mesh-encased aviaries designed by local firm Llowarch Llowarch Architects (+ slideshow). More about Llowarch Llowarch Architects completes raven enclosure for the Tower of London
Buckminster Fuller's principles of tensegrity informed the structural design of the Kurilpa Bridge in Brisbane, the latest addition to the Dezeen A-Zdvent calendar. More about Dezeen's A-Zdvent calendar: Kurilpa Bridge by Cox Rayner Architects and Arup
Perkins Eastman Architects' Green Line concept would see New York's iconic Broadway converted into a linear park running from Columbus Circle to Union Square. More about Perkins Eastman proposes turning New York's Broadway into one long park
China's rush to build thousands of new museums is leading to cultural buildings "with no vision and mediocre collections", according to architects and curators in the country (+ slideshow). More about China "can't buy culture" with museum boom, say critics
Microsoft employees have moved into a new metal-clad headquarters in Denmark, designed by Henning Larsen Architects but based on a paper written by the tech company's founder Bill Gates (+ slideshow). More about Henning Larsen Architects bases Microsoft headquarters on Bill Gates' workplace theory
A water-filled patio with a slatted roof cuts into one corner of this L-shaped house near Córdoba, Argentina, which was designed by Agustín Lozada for a young family (+ slideshow). More about Glass walls and terraces frame views from bright white house in Argentina
Spanish architect and engineer Santiago Calatrava has unveiled designs for three new multi-modal bridges for the growing Chinese city of Huashan (+ slideshow). More about Santiago Calatrava unveils three bridge designs for Huashan, China
Three 60-metre-high arches crisscross the deck of the Juscelino Kubitschek Bridge in Brasília, which provides the letter J in our alphabetical countdown to Christmas. More about Dezeen's A-Zdvent calendar: Juscelino Kubitschek Bridge by Alexandre Chan
This house near Hamilton, Ontario, relies on a combination of fireplaces and straw walls to keep it warm, with a rooftop meadow adding to its green credentials (+ slideshow). More about Straw bales insulate monochrome house in Ontario by Nicolas Koff
OMA has merged a municipal office block from the 1950s with a pixellated steel and glass structure to create a new mixed-use building in Rotterdam's city centre (+ slideshow). More about OMA completes pixellated Timmerhuis complex in Rotterdam
Tiny porthole windows pierce this concrete extension to a Granada primary school by Elisa Valero Arquitectura – a protective measure against stray balls from the adjacent sports court (+ slideshow). More about Circular perforations create natural spotlights inside Elisa Valero's concrete school extension
This family home in Toronto by local firm Paul Raff Studio features a brise-soleil made of aluminium louvres, designed to "bounce sunlight deep into the space". More about Aluminium louvres screen facade of Toronto home by Paul Raff Studio
Rising sea levels and a shortage of development sites are leading to a surge of interest in floating buildings, with proposals ranging from mass housing on London's canals to entire amphibious cities in China (+ slideshow). More about Floating architecture will offer "an improved way of living"
The letter I in our Christmas countdown of contemporary bridges is The Infinite Bridge, a circular walkway installed on the Danish coastline to offer visitors panoramic views of their picturesque surroundings. More about Dezeen's A-Zdvent calendar: The Infinite Bridge by Gjøde & Povlsgaard Arkitekter
A floating window seat, a sunken roof terrace and a basement cinema room feature among the 33 projects shortlisted for Don't Move, Improve 2016 – a competition to find London's best home extensions (+ slideshow). More about London's best new extensions revealed in shortlist for Don't Move, Improve 2016 awards