London Design Festival 2015: British artist Alex Chinneck has revealed a 35-metre-tall latticed steel sculpture resembling an upside-down electricity pylon for this year's London Design Festival (+ slideshow). More
Architectural firm Pedro Barata e Arquitetos Associados has created a 12-metre-tall periscope in Brazil using a shipping container stood on its end. More
Finnish design duo Company has created a range of products combining traditional skills and designs from northern Japan with craft from Finland and has given each one a "spirit" – a person dressed in a costume to represent the soul of the object (+ slideshow). More
Three designers from the Canadian firm Groupe A / Annexe U have erected an orange pavilion within a shallow pool, requiring visitors to don waterproof shoes to explore the structure's interior (+ slideshow). More
A new installation by Boston-based architecture studio Matter Design features a wooden box with sculptural interior walls that radiate different temperatures, creating an "intimate and contradictory set of experiences". More
London Design Festival 2015: London artist Barnaby Barford has stacked 3,000 tiny shops made from bone china into a version of the biblical Tower of Babel at the V&A museum (+ slideshow). More
Designer Daan Roosegaarde has installed the "largest smog vacuum cleaner in the world" in Rotterdam to help improve the city's air quality (+ movie). More
London Design Festival 2015: Norwegian design studio Kneip has created a set of four functional sculptures that measure and report on weather conditions (+ movie). More
London Design Festival 2015: an exhibition by Swedish gardening house Coloni and trend forecaster Studio Aikieu will celebrate the potential of "undesirable" and wild-growing species in towns and cities. More
Visitors to an Innsbruck gallery can crawl from room to room via a series of bouncy net tunnels installed by design collective Numen/For Use. More
French artist Charles Pétillon has installed a giant cloud of balloons under the roof of the 19th-century Market Building in London's Covent Garden (+ movie). More
The sides of this 4.5 metre-high stilted cabin lift open to offer inhabitants an uninterrupted view of the Latvian landscape (+ slideshow). More
Dutch studio Atelier Van Lieshout has unveiled its largest installation to date: a giant art village at the Ruhrtriennale arts festival in west Germany (+ slideshow). More
Design Academy Eindhoven graduate Manon van Hoeckel is crowdfunding her In Limbo Embassy – a travelling office that aims to facilitate open discussion around immigration in the Netherlands. More
Zaha Hadid has created a swooping canopy for New York's High Line – in an area of the elevated park abutting the construction site for a building designed by the architect. More
Austrian arts collective Neon Golden has created an immersive light installation that mimics the movements of fireflies (+ slideshow). More
Students from the Institute of Architecture and Design Chihuahua have used scaffolding, wood and fabric to turn a disused park fountain into a shaded urban spa for local residents (+ slideshow). More
Zurich citizens can now relieve themselves at a pink marble public pissoir, installed at an open-air car park by local architecture firm Bureau A (+ slideshow). More
Swedish architect Ulf Mejergren is to install a temporary pavilion featuring a knotted rope roof in front of Toronto's City Hall, ahead of the Jewish festival of Sukkot next month. More
Swiss childrenswear brand L'asticot has collaborated with architecture firm Bureau A to install a miniature cardboard city at its Geneva store (+ slideshow). More