Architect Petr Janda has transformed a series of vaults on the banks of the Vltava River in Prague into versatile public spaces as part of a project aimed at revitalising the embankment. More about Tunnel-like vaults house cafes and workshops along revitalised Prague waterfront
Lausanne University of Art and Design graduate Trolle Rudebeck Haar has built a pre-fabricated floating sauna, which offers views over the Alps, using local wood. More about Trolle Rudebeck Haar floats prefabricated sauna on Lake Geneva
Beijing-based BLUE Architecture Studio has inserted a rectangular volume down the middle of an existing building in China to form a cafe that juxtaposes old and new. More about BLUE Architecture adds rectangular coffee shop to red brick building in Aranya
American firms 180 Degrees and CoLab Studio have created an educational facility and a greenhouse in the Arizona desert with polycarbonate facades that bring soft daylight indoors. More about Desert Botanical Garden in Phoenix enclosed with polycarbonate walls
One of the largest timber-framed roofs in the world spans 90 metres over the arena of the Ariake Gymnastics Centre in Tokyo, designed by Japanese practice Nikken Sekkei for the delayed 2020 Olympic and Paralympic Games. More about Nikken Sekkei's Ariake Gymnastics Centre celebrates timber construction
Alaskan cedar and handmade Danish bricks are among the materials used by Californian firm HA+MA to create a golf performance centre set within an undulating, grassy landscape. More about HA+MA designs CS2 teaching facility for Los Angeles golf course
Children can play, hide and climb inside a series of sculptural spheres in a playground in Vårbergstoppen, Stockholm designed by Swedish architecture studio AndrénFogelström. More about AndrénFogelström installs sculptural spheres in Stockholm park
This year's Antepavilion installation opens in London tomorrow, with the charity that organises the annual competition warning that it could be forced to close. More about Antechamber by Studio Nima Sardar "could be the last" Antepavilion as planning inquiry looms
Dezeen promotion: Diamond Schmitt Architects and resort developer Therme Group have unveiled plans to overhaul the lakefront Ontario Place in Toronto by adding swimming pools, botanical gardens and art experiences. More about Diamond Schmitt and Therme Group to transform Toronto's Ontario Place into wellness destination
Architect Arney Fender Katsalidis will transform a disused railway site in Rome into a low-carbon neighbourhood as part of the Reinventing Cities programme, which encourages cities to strive towards net-zero urban developments. More about Arney Fender Katsalidis to transform Tuscolana railway site into low-carbon 15-minute city
Winding maze-like hedges wrap a series of green-roofed timber pavilions at a museum dedicated to the work of Hans Christian Andersen in Odense, Denmark, designed by Japanese practice Kengo Kuma & Associates. More about Kengo Kuma draws on fairytale landscapes for Hans Christian Andersen museum in Denmark
Snøhetta has unveiled its plan to revive a traditional harbour bath in the city of Arendal, Norway, with a layered structure that looks like a topographical map of the area. More about Snøhetta reimagines long-closed 1930s Norwegian harbour bath Knubben
Chinese practice Atelier Xi has completed Peach Hut, a tinted concrete community pavilion and bar overlooking a field of peach trees in Henan Province. More about Atelier Xi designs peach-coloured concrete pavilion in rural China
Danish architecture studio BIG has revealed new images by Rasmus Hjortshøj of Marsk Tower, its spiralling double-helix viewing tower that recently opened to the public in southwestern Denmark. More about New photos show BIG's twisting Marsk Tower
The dunes of the Chihuahuan Desert informed the undulating, pink concrete landscape of this new skatepark in Ciudad Juárez's Oriente Park. More about Mexican desert influences pink concrete La Duna skatepark in Ciudad Juárez
A blue chequered court in Mexico City, a multicoloured court in Paris and a 3D-printed basketball floor all feature in our roundup of colourful basketball courts. More about Ten colourful basketball courts from around the world
British designer Paul Cocksedge has inserted a timber structure of infinite loops into a public square in Kwun Tong, Hong Kong. More about Paul Cocksedge's Time Loop represents ongoing transformation of Hong Kong neighbourhood
Paris studio Lemoal Lemoal has used hempcrete blocks to build the Pierre Chevet sports centre in France, which the studio believes is the country's first public building built from the biomaterial. More about Lemoal Lemoal completes first public building in France to be made from hempcrete
Cedar panels clad the eaves of the 68,000-seat Japan National Stadium, which Japanese studio Kengo Kuma and Associates designed for the Tokyo 2020 Olympics. More about Kengo Kuma's Japan National Stadium is the centrepiece of the Tokyo 2020 Olympics
Studio Puisto has designed a lakeside wellness centre in the town of Ähtäri, Finland, incorporating a large area of stepped wooden seating and jetties that aim to reconnect the local community with the waterfront. More about Studio Puisto completes wellness centre that steps down towards a lake