Artist James Bridle has teamed up with architecture studio TDO to build a rooftop hangar on a south London car park, from which a military surveillance balloon makes a daily flight to snoop on the area (+ movie). More about Rooftop hangar by TDO provides launchpad for James Bridle's surveillance balloon
Stairs and bookshelves wrap around a triple-height atrium inside this university library, which Danish architecture studio Adept describes as a "spiral of knowledge" (+ slideshow). More about Stairs spiral around interior of Adept's Dalarna Media Library in Sweden
London firm Rogers Stirk Harbour + Partners has put the finishing touches to the World Conservation and Exhibitions Centre – a new £135 million wing at the British Museum in London (+ slideshow). More about Rogers Stirk Harbour + Partners completes new conservation and gallery wing at British Museum
Intricate drawings by Bartlett School of Architecture graduate Anja Kempa present a vision for how spring could be recreated in Tokyo, once cherry trees fail to blossom because of climate change. More about Anja Kempa's fantastical drawings imagine an artificial spring in Tokyo
Mole Architects based the shape and proportions of this rural home in Suffolk on the classical vicar's residences that are typically found in English countryside towns (+ slideshow). More about Cedar-clad Stackyard by Mole Architects is a house based on old rectories
Movie: Bjarke Ingels explains how the $335 million allocated to BIG's scheme to upgrade Manhattan's storm defences will be used to create a flood barrier disguised as a park in our second exclusive video interview with the Danish architect. More about Big U storm defences "will secretly protect Manhattan from flooding" says Bjarke Ingels
Mottled red brickwork was used to build the gabled walls of this English school library by Mitchell Taylor Workshop, who more recently completed a humanities building for a historic school elsewhere in the country (+ slideshow). More about Angular brick gables frame Kings College Library by Mitchell Taylor Workshop
Italian office Modostudio has completed a shingle-clad building boasting mountain views for a private arts and sciences foundation near Bolzano, northern Italy (+ slideshow). More about Shingle-clad cultural centre by Modostudio offers spectacular mountain views
Movie: in the first of a series of exclusive video interviews with Bjarke Ingels, the Danish architect talks us through three of his practice BIG's current projects and explains why he considers diagrams to be such an important design tool. More about "BIG never makes any design decisions just for fun" says Bjarke Ingels
News: not content with playing host to the tallest building in the world, Dubai has unveiled plans for the world's first indoor city – a temperature-controlled mega resort featuring a retractable glass roof and the world's largest shopping centre. More about World's first climate-controlled city set for construction in Dubai
News: these new renders of the controversial Tokyo Olympic stadium by Zaha Hadid Architects show changes to the shape of the building, which has been altered following a budget cut (+ slideshow). More about New images of Zaha Hadid's modified Tokyo Olympic stadium design
New buildings and spaces by Tadao Ando and Annabelle Selldorf feature at the Clark Art Institute in Massachusetts, which reopened to the public this week after a 10-year renovation. More about Tadao Ando and Annabelle Selldorf transform Clark Art Institute in Massachusetts
This concrete house in Switzerland's March District was designed by Zurich studio Kit with split levels, creating a living room that cantilevers over an external dining area. More about Split-level house by Kit works with the slope of the garden
Dutch studio Archiview gave this planetarium-like cinema in Groningen a spiralling dome structure, which invites comparisons with hats, eyeballs and UFOs (+ slideshow). More about Cinema meets planetarium at Archiview's Infoversum theatre
These new images by architecture photographer Edmon Leong show the undulating contours and glittering surfaces of Zaha Hadid's Dongdaemun Design Plaza complex in Seoul, South Korea (+ slideshow). More about Zaha Hadid's Dongdaemun Design Plaza captured in new photographs
Suspended wooden slats cast shadows like a sundial across the central living room of this hexagonal home in Toyota, Japan, by local office Katsutoshi Sasaki + Associates (+ slideshow). More about Wooden slats create a sculptural ceiling inside Katsutoshi Sasaki's Koro House
Behind the house-shaped windows of this nursery extension in Kashiwa, Japan, architect Soichi Yamasaki has slotted small square rooms between octagonal play areas (+ slideshow). More about Soichi Yamasaki's Japanese nursery features house-shaped windows and faceted ceilings
News: one of the world's biggest architecture practices has split in two so it can focus on bringing Asian-style high-density urban design to Seattle, New York, LA and London (+ interview). More about Aedas dumps UK business to focus on "high-density urban high-rise"
Three concrete steps lead inside this combined patisserie and wine bar that Case-Real has completed amongst the high-rise blocks of Fukuoka, Japan (+ slideshow). More about Case-Real combines a patisserie with a wine bar in Fukuoka
News: Zaha Hadid Architects has confirmed it is adapting its design for the Tokyo 2020 Olympic stadium, following budget changes and ongoing criticism – including a 500-person street protest last weekend. More about Zaha Hadid modifies controversial Tokyo Olympic stadium design