![](https://static.dezeen.com/uploads/2014/12/Fitzroy-Park-House-by-Stanton-Williams-Hufton-Crow_dezeen_468_41.jpg)
This week on Dezeen
This week London firm Stanton Williams completed a home designed to evoke "the spirit of a treehouse" (pictured), and we featured interviews with world-famous architects Zaha Hadid, Moshe Safdie and Álvaro Siza. Read on for more architecture and design highlights.
![Shanghai LuJiazui Exhibition Centre by OMA](https://static.dezeen.com/uploads/2014/12/Shanghai-LuJiaZui-Exhibition-Centre-by-OMA_dezeen_sq.jpg)
OMA were named as the winners of an international competition to transform a former Shanghai shipyard into an exhibition centre and Africa's tallest skyscraper design was unveiled.
![United States, Canada and Mexico to recognise each other's architects](https://static.dezeen.com/uploads/2014/12/vancouver-dezeen_sq.jpg)
Architectural licensing bodies in the United States, Canada and Mexico forged an agreement to allow architects to work across each other's borders.
![Bee'ah HQ by Zaha Hadid](https://static.dezeen.com/uploads/2014/12/Bee-ah-HQ-by-Zaha-Hadid_dezeen_sq01.jpg)
Zaha Hadid Architects returned to the headlines when its dune-inspired building for an environmental firm was revealed a day before the firm's first project in Brazil was announced.
![Tension lamp by Nick Ross](https://static.dezeen.com/uploads/2014/12/Tension-lamp-by-Nick-Ross_dezeen_468_5.jpg)
In design news, a lamp that bends like a fishing rod was chosen as the winner of an annual Nordic design award and Italian design school Domus Academy launched a salon-style teaching system.
![Compact Karst House by Dekleva Gregorič Arhitekti](https://static.dezeen.com/uploads/2014/12/Compact-Karst-House-by-Dekleva-Gregoric-Arhitekti_dezeen_sqc.jpg)
Popular projects this week on Dezeen included a Slovenian cottage featuring a roughly textured exterior, a mountain cabin hidden inside a boulder-like facade and a light installation inside Frank Gehry's Fondation Louis Vuitton building.
![Contact at Fondation Louis Vuitton by Olafur Eliasson](https://static.dezeen.com/uploads/2014/12/Contact-at-Fondation-Louis-Vuitton-by-Olafur-Eliasson_dezeen_SQ01.jpg)
More architecture | More interiors | More design | More news