![Public Auditorium in Llinars del Vallès by Alvaro Siza Vieira](https://static.dezeen.com/uploads/2016/01/public-auditorium-llinars-del-valles-alvaro-siza-vieira-catalonia-spain_dezeen_1568_201.jpg)
This week, Álvaro Siza released a teaser of his first US project and completed a theatre in Spain
This week on Dezeen: Portuguese architect Álvaro Siza unveiled a glimpse of his first US project – a luxurious residential block in Manhattan – just days before announcing the completion of a red brick theatre near Barcelona (pictured).
![611 West 56th Street, New York by Álvaro Siza](https://static.dezeen.com/uploads/2016/01/611-west-56th-street-alvaro-siza-new-york-tower_dezeen_936_sqa.jpg)
Álvaro Siza's upscale residential tower for New York is the latest in a string of residential developments by world-famous architects changing the face of the city.
![MoMa in New York](https://static.dezeen.com/uploads/2016/01/moma-expansion-diller-scofidio-renfro-new-york-usa_dezeen_sqa.jpg)
In other New York news, the Museum of Modern Art simplified its plans for an expansion by Diller Scofidio + Renfro and US design studio Grzywinski + Pons completed an apartment block that referenced the city's "gritty" past.
![Temple University Library by Snøhetta](https://static.dezeen.com/uploads/2016/01/temple-university-library-philadelphia-snohetta-usa_dezeen_sq.jpg)
Snøhetta released images of a new library it has designed for a Philadelphia university, while US media brand Architizer publicised its plan to launch a transformative online products marketplace for architects.
![Tokyo Olympics 2020 logo and the Théâte de Liège logo](https://static.dezeen.com/uploads/2015/08/Tokyo-Olympics-2020_Theatre-de-Liege-logo_dezeen_sq.jpg)
Elsewhere, Belgian designer Olivier Debie dropped his plagiarism lawsuit against the organisers of Tokyo's 2020 Olympics while Japanese designer Tokujin Yoshioka showcased his vision for the event's stadium.
![Hall McKnight's concept for an extension to St Hilda's College in Oxford](https://static.dezeen.com/uploads/2016/01/redefining-st-hildas-college-oxford-competition_hall-mcknight_dezeen_sq.jpg)
Five shortlisted concepts were unveiled for the extension to Oxford University college. We spoke to Adrian Smith – one of the architects behind the world's tallest building – who refuted claims that we are entering the era of the "megatall" skyscraper.
![Waugh Thistleton's Murray Grove](https://static.dezeen.com/uploads/2016/01/murray-grove_waugh-thistleton_dezeen_sq.jpg)
Building codes were changed in Australia, allowing architects to build timber-framed structures up to eight storeys in height. Also, a pair of museums dedicated to French fashion designer Yves Saint Laurent were announced.
![Wearable Habitation by Royal College of Art students](https://static.dezeen.com/uploads/2016/01/wearable-habitation-project-refugees-humanitarian-design_dezeen_936_41.jpg)
In other news, students at the Royal College of Art designed a wearable dwelling for refugees and a UK government report accredited the creative industries with contributing £84.1 billion to the country's economy.
![Open and Closed by OBBA](https://static.dezeen.com/uploads/2016/01/open-closed-house-gangnam-obba_plan_dezeen_sq.jpg)
Popular projects this week on Dezeen included a Gangnam residence featuring deep-set windows, a minimally designed toothbrush and a Norwegian retreat comprising a stepped concrete roof.
![Cabin Knapphullet by Lund Hagem](https://static.dezeen.com/uploads/2016/01/cabin-knapphullet-lund-hagem-photography-sandefjord-norway_dezeen_sqa.jpg)
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