News: construction has started in Mumbai, India, on a pair of 38-storey towers with overlapping bases that make reference to the knotted structures of mangrove stalks, according to Danish firm 3XN. More
Danish architects 3XN have completed a star-shaped regional headquarters for the United Nations in Copenhagen - but the real star is the spectacular staircase rising through the centre of the atrium (+ slideshow). More
The whirlpool-shaped Blue Planet aquarium by Danish studio 3XN has opened to the public in Copenhagen (+ slideshow). More
Danish studio 3XN has revealed the first photographs of its whirlpool-shaped aquarium under construction in Copenhagen. More
Stone bleachers climb onto the roof of this cultural centre in Molde, Norway, by Danish architects 3XN, creating open-air seating for visitors to the jazz festival hosted there each year (+ slideshow). More
Dezeen Wire: architecture critic Rowan Moore has written a scathing review of the recently opened Museum of Liverpool for The Observer. Read the full article here. Update 15/08/11: see the complete set of images in our later story.