The third bridge by Santiago Calatrava in the Dezeen A-Zdvent calendar is the Campo Volantin Footbridge in Bilbao, a curved and arched structure with a surface of glass bricks. More about Dezeen's A-Zdvent calendar: Campo Volantin Footbridge by Santiago Calatrava
Competition: Dezeen has teamed up with conservation group the Twentieth Century Society to offer five readers the chance to win a guide to London's Brutalist architecture. More about Competition: five Brutalist London Maps to be won
The tilted frame of the house by Budi Pradono Architects was designed as an antithesis to the status homes and mock-European styling of a gated community in Jakarta, Indonesia (+ slideshow). More about Budi Pradono's leaning house in Jakarta built as a "symbol of anti-establishment"
Zaha Hadid has accused Japanese authorities and architects of colluding over the Tokyo 2020 Olympic stadium project, and says that Kengo Kuma's replacement design has "remarkable similarities" to her own. More about Zaha Hadid accuses Japanese government and architects of collusion over Tokyo stadium
Japanese officials have selected a wooden lattice design by Kengo Kuma for the new National Stadium in Tokyo, which will be the centrepiece for the 2020 Olympics. More about Kengo Kuma beats Toyo Ito to win Japan National Stadium competition
A concrete window seat, geometric tiles and a storage wall made of wooden boxes feature inside this east London house that has been renovated and extended by local studio Mustard Architects (+ slideshow). More about Mustard Architects exploits corners and crevices in Nook House renovation
Danish studio Kilo Design has created a seating system for furniture brand +Halle constructed from a set of soft rearrangeable lozenge-shaped elements. More about Modular Ø Sofa by Kilo Design is formed of three lozenge-shaped cushions
A steaming hot spring is screened behind bamboo shoots at this hotel near Beijing, which features seven new suites by local studio Elevation Workshop (+ slideshow). More about Elevation Workshop builds new bamboo cabins around the hot spring at Beijing hotel WHY
Paris studio Atelier 37.2 has added a multifaceted wooden volume to an apartment in the French capital to house two shower rooms. More about Atelier 37.2 installs sculptural wooden bathroom inside Haussmann-era apartment
We've collected together five unusual Christmas designs, from a rock-shaped mince pie to a collection of bouncing baubles and downloadable wrapping paper. More about Sebastian Bergne's bouncy baubles and four other unusual designs for Christmas
British product designer Lindsey Lang has borrowed motifs from the history of London's transport network to create a collection of wall and floor tiles with embossed patterns (+ slideshow). More about Lindsey Lang designs 3D tiles based on 1930s London Underground patterns
Competition: Dezeen is giving readers the chance to win a Hive Active Heating kit, including a thermostat designed by Yves Béhar and a customisable coloured frame (+ slideshow). More about Competition: win a Hive Active Heating kit and thermostat frame
The Barack Obama Foundation has revealed the names of the seven architecture firms it is inviting to pitch for the official presidential library in Chicago. More about David Adjaye, Renzo Piano and Snøhetta among seven-strong shortlist for Obama Library
As we enter the final week of our festive bridge countdown, we're spotlighting a third bridge by London firm Wilkinson Eyre Architects – the University of Limerick Living Bridge in Ireland. More about Dezeen's A-Zdvent calendar: University of Limerick Living Bridge by Wilkinson Eyre
Robert Mull, dean of The Cass Faculty of Art, Architecture and Design, has resigned over relocation plans for the leading east London design school, which campaigners claim will destroy it. More about Dean quits as row grows over future of London's "Aldgate Bauhaus"
A pool with a stationary boat on top is the centrepiece of this rowing centre designed by Mulroy Architects for a private boarding school in Oxfordshire, England (+ movie). More about Mulroy Architects completes timber-clad rowing centre for Oxford school
Dezeen design editor Dan Howarth's 10 favourite installations from the past 12 months include a Brutalist playground recreated in foam, a giant steel maze and a brightly coloured basketball court (+ slideshow). More about Dezeen's top 10 design installations of 2015
Australian architect David Boyle chose recycled brick for this renovation and extension of a psychologist's house in Sydney, which creates a double-height living room, a mezzanine bedroom and a home office (+ slideshow). More about David Boyle uses reclaimed brick to build extension to a Sydney terrace
Belgian architecture studio V+ has completed a mesh-covered water tower that is supported by angled concrete columns. More about V+'s Chateau d'Eau water tower rests on crossed concrete struts