Sound-amplifying stadium by Populous provides Lyon venue for Euro 2016

The firm behind the London Olympic stadium has built a new home for French football team Olympique Lyonnais, featuring an enormous fabric roof that amplifies the noise of the fans (+ slideshow). More

Sou Fujimoto combines geometric forms with Indonesian crafts for Hong Kong venue

Japanese architect Sou Fujimoto has combined elements of his previous structures with traditional Indonesian craftwork to create a shop and restaurant venue in Hong Kong – his first project in the city (+ slideshow). More

Bird-watching pavilions by Plant Architect are made from perforated plates of weathering steel

Plant Architect has used weathering steel to create a series of wing-like structures for bird watchers in a Toronto park, which are punctured with both patterns and information about local species (+ slideshow). More

Narch creates a collage of decorative tiles by removing walls in a Barcelona apartment

Architecture studio Narch has renovated a Barcelona apartment, removing many of the internal walls to create a single space with a variety of patterned tile floors (+ slideshow). More

UUfie completes light-filled Ontario medical clinic with translucent polycarbonate walls

Canadian architecture studio UUfie has inserted polycarbonate partitions into a medical clinic, part filling them with glass to create a hazy "horizon" (+ slideshow). More

Knox Bhavan Architects combines two flats in a converted London school

Knox Bhavan Architects has joined two flats in a converted school in south London, creating an apartment with spacious entertaining spaces and bedrooms that can be opened or closed (+ slideshow). More

Casa No Muro is a treehouse built on a wall instead of in a tree

Tasked with building a treehouse in a garden without a tree, French studios Saperlipopette Les Architectes and Martial Marquet Architecture have created a wooden structure that instead perches on a wall (+ slideshow). More

Link Arkitektur extends Norwegian farmhouse with contemporary gabled structure

Link Arkitektur has added a gabled extension to a 19th-century Norwegian farmhouse, featuring a wooden facade designed to age with the building (+ slideshow). More

Fala Atelier uses curving wall to shape open-plan interior for historic Lisbon flat

Fala Atelier has gutted a 19th-century Lisbon apartment, creating a continuous living area framed by a new semi-circular wall (+ slideshow). More

Alex Hogrefe's conceptual retreat cuts into a remote Icelandic clifftop

Architectural visualiser Alex Hogrefe has imagined a precarious concrete retreat cut into the edge of a remote clifftop in Iceland, as part of a series of tutorials in creating renderings (+ slideshow). More