News: the second Berlin city centre proposal revealed today is a cluster of five towers by Graft and Kleihues + Kleihues Architekten, which will be connected on their upper levels by a chain of bridges. More about Graft unveils towers linked by bridges for Berlin's Holzmarkt
Hanging plant pots, custom-made wooden furniture and a mural featuring a llama and an ice cream complete this office and studio in Amsterdam by Simon Bush-King Architecture (+ slideshow). More about Simon Bush-King adds chipboard furniture and wall art to Superheroes' office
Perforated metal balconies project through the bowed concrete facades of this office building in Seoul, which were designed by local studio Archium to maximise floor space on the middle levels (+ slideshow). More about Swollen concrete facades increase floor area inside Archium's Gilmosery office block
Fold-down desks and mobile workstations allow Australian firm Particular Architects to regularly reconfigure the layout of their studio space in Melbourne (+ slideshow). More about Particular Architects build themselves a reconfigurable studio
News: Herzog & de Meuron has unveiled designs for its fourth extension to the headquarters of insurance company Helvetia in the Swiss city of St Gallen. More about Herzog & de Meuron returns to St Gallen for fourth Helvetia office extension
London studio de Rijke Marsh Morgan (dRMM) has completed a wedge-shaped studio for an artist in Deptford, south-east London, with a sky-facing window designed to draw in north light "like a big hungry eye". More about DRMM's Comet Street art studio draws in daylight through a sky-facing window
Architect duo Mauricio Pezo and Sofia von Ellrichshausen built this seven-storey concrete tower in the Chilean countryside to house their own living quarters as well as a studio for their firm (photos by Cristobal Palma + movie). More about Pezo von Ellrichshausen's Casa Cien is a home and studio with a bumpy concrete finish
Hundreds of circular apertures perforate the reinforced concrete walls of this office tower in Seoul by Korean studio Archium, designed to recreate the structural strength of honeycomb (+ slideshow). More about Archium's Urban Hive tower has a perforated facade modelled on honeycomb
A geometric arrangement of CNC-cut plywood panels defines a lounge space in one corner of this live/work apartment in Warsaw by Polish designers Maciej Kurkowski and Maciej Sutuła (+ slideshow). More about Monochrome apartment by Maciej Kurkowski and Maciej Sutuła features conference spaces
This office and workshop for a theatre designer in Osaka was designed by Japanese studio Mattch to look like a glazed box hovering between two solid curtains (+ slideshow). More about Set design studio in Japan by Mattch plays with theatrical imagery
Japanese architect Tsubasa Iwahashi has added hanging plants and a shed-like meeting room to an office in Osaka, which workers can take a peek at through boxy windows (+ slideshow). More about Office interior by Tsubasa Iwahashi brings the outside in with hanging baskets and a shed
London studio Haptic references eroded granite rock formations commonly found around the Norwegian coastline with the curving form of this layered timber staircase, created for an office interior in Oslo. More about Arkwright office by Haptic features slatted staircase emulating rock formations
Rem Koolhaas' OMA has completed the new Amsterdam headquarters of Dutch denim brand G-Star RAW, which features a concrete shell, a glass core and a hangar-like facade that slides open (+ slideshow). More about OMA completes industrial headquarters for G-Star RAW in Amsterdam
News: OMA has seen off competition from BIG and Buro Ole Scheeren to win a competition to expand the Berlin headquarters of multimedia firm Axel Springer. More about OMA lands Axel Springer office project ahead of BIG and Buro Ole Scheeren
Dutch firm Wiel Arets Architects applied an intricate fritting technique to the glazed facade of this office complex in Zurich to give it the appearance of onyx marble (+ slideshow). More about Allianz Headquarters by Wiel Arets features glass fritted to reference Mies' Barcelona Pavilion
Swedish firm OkiDoki! Arkitekter has created its own offices inside a former corset factory in Gothenburg, designing an open-plan workspace that hosts events for local residents in the evening (+ slideshow). More about Former corset factory converted into office and events space by OkiDoki! Arkitekter
A rooftop extension fronted by a grid of metal mesh and glass contrasts with the original brick facade of this building in east London renovated by Duggan Morris Architects (+ slideshow). More about Duggan Morris injects new life into Georgian office block in Shoreditch with metal mesh
Home rental website Airbnb has opened an office in Dublin with a reception area modelled on an Irish pub designed by local architects Heneghan Peng (+ slideshow). More about Airbnb hopes for luck of the Irish with pub-like Dublin offices by Heneghan Peng
A wooden pod resembling the woven structure of a bird's nest can be used for meetings at this sales office for a property development in Mumbai by local firm Planet 3 Studios (+ slideshow). More about Giant timber nest provides meeting room at Baya Park offices by Planet 3 Studios
Interview: Clive Wilkinson, the architect behind the office design at Google's Silicon Valley headquarters, tells us how he convinced the internet giant to move away from "humiliating, disenfranchising and isolating" workers' cubicles (+ transcript). More about "Google was cubicle land when we started designing offices for them"