Portuguese architect Álvaro Siza Vieira has completed a church in the Brittany region of France, featuring a sculptural composition of intersecting concrete forms. More about Álvaro Siza combines geometric forms for white-concrete church in Brittany
The French operator of the Channel Tunnel has given the Boris bridge proposal a boast, by writing a letter to the UK prime minster in support of a second permanent connection between England and France. More about Eurotunnel "very interested" in Boris bridge between England and France
Stacked white, concrete volumes conceal the vibrant red, pink and orange interior of this theatre in the former mining town of Freyming-Merlebach by Dominique Coulon & Associés. More about White concrete volumes conceal bright red auditorium in Dominique Coulon & Associés' theatre
The escalators of Parisian department store Le Bon Marché appear to have been tied in a knot in this installation by Argentian artist Leandro Erlich. More about Leandro Erlich uses visual trickery for Parisian store installation
Paris-based Atelier Lavit built this treehouse around the trunk of a century-old oak in Raray, France, basing its design of criss-crossing timbers on a bird's nest. More about Century-old oak supports treehouse guest room in northern France
Parisian artists and gallery owners have penned an open letter opposing the installation of a sculpture by Jeff Koons, describing the monument as "shocking and unwelcome". More about Paris artists dismiss Jeff Koons' terror attack memorial as "product placement"
A tower with undulating, tree-covered canopies by Japanese architect Sou Fujimoto forms part of this competition-winning €275 million masterplan for a new neighbourhood in Nice, France. More about Sou Fujimoto designs tower with wavy canopies and verdant balconies for new development in Nice
UK foreign secretary Boris Johnson has proposed building a bridge across the English Channel to link Britain and France after Brexit. More about Foreign secretary proposes 22-mile "Boris bridge" to link England and France
Italian architecture office 2A+P/A has brought an Ettore Sottsass painting to life to create a black barrel-roofed pavilion for an architecture festival in Orléans, France. More about Italian architects convert Ettore Sottsass sketch into pavilion for French architecture festival
Philippe Starck has teamed up with French tableware brand Degrenne to redesign its range of kitchen tools and cutlery. More about Philippe Starck designs range of cutlery for Degrenne
Rogers Stirk Harbour + Partners has started building a new concrete-framed art storage facility in Lievin, France, for the Louvre museum, which will be covered by a large green roof. More about Rogers Stirk Harbour + Partners begins work on Louvre art store in northern France
Post Office Architectes has added a timber-lined barrel vaulted roof extension to an apartment in Paris, giving its owner an unobstructed view of the Eiffel Tower. More about Post Office Architectes adds vaulted roof extension to Paris apartment for a photographer
Foster + Partners has unveiled plans to add a glazed terminal building to Marseille Provence Airport, which will link the 1990s extension designed by Richard Rogers with the original 1960s building. More about Foster + Partners to add "missing piece" to Rogers' Marseille airport extension
Work has completed on Tribunal de Paris – a tiered skyscraper, designed by Renzo Piano Building Workshop to become the largest law complex in Europe. More about First photos emerge of tiered tower built by Renzo Piano to house Paris law courts
This detention centre for minors in Marseille offers an alternative to oppressive prison architecture through its muted material palette of natural stone and board-marked concrete. More about Combas uses natural stone to build "warm and robust" juvenile detention facility in Marseille
Interior design studio MoreySmith has created co-working spaces with a "contemporary industrial" aesthetic in an old factory building in Paris. More about MoreySmith create co-working offices in former industrial building in Paris
After being rejected by the Louvre, Atelier van Lieshout's controversial sculpture resembling a man penetrating an animal has been given a new public exhibition space, at Paris' Centre Pompidou – prompting one critic to describe it as "nasty public art". More about Centre Pompidou presents Atelier van Lieshout sculpture that was too lewd for Louvre
French designer Ora Ïto has cut and pieced together over 400 wooden slats to create this staircase, which twists up the Paris offices for one of the world's largest luxury companies. More about Ora Ïto uses hundreds of wooden slats for snaking oak stair at LVMH offices
Architecture studio LT2A has added a brick extension to a school near Lille, featuring an entrance sheltered by an anodised-aluminium canopy, and circular windows that provide glimpses of courtyard gardens. More about Lille school extension by LT2A features porthole-like windows and golden details
Artist Joep van Lieshout has slammed a last-minute decision made by the Musée du Louvre to cancel a display of his controversial Domestikator sculpture, which looks like a man penetrating a four-legged animal. More about Louvre cancels Atelier Van Lieshout installation amid concerns over "explicit or sexual" content