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
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 scales back expansion by Diller Scofidio + Renfro in New York
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
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
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
Five shortlisted concepts were unveiled for the extension to Oxford University college. We spoke to Adrian Smith ? one of the architects behind the wo...