Four World Trade Center
tops out

Dezeen Wire: 
the final steel beam has been put in place at Four World Trade Center, the first rebuilt tower on the site of the September 11 attacks in New York City. The 298-metre, 72-storey tower was designed by Japanese architect Fumihiko Maki and has been under construction since 2008.

Ground Zero is also home to two fountains sunk into the site of the former Twin Towers, designed by architect Michael Arad and landscape architect Peter Walker. Watch an animation of the the fountains here.

The unfinished Freedom Tower nearby is already the tallest building in the city, set to reach 1,776 feet on completion.

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"Details revealed for super-tall tower
in New York" - Wall Street Journal

Dezeen Wire:
 plans have been unveiled for a 425-metre-high skyscraper designed by architect Rafael Viñoly for New York’s Park Avenue, which will become the tallest residential tower in the USA if built - The Wall Street Journal

While buildngs over 300 metres are currently classed as "super-tall", the Council on Tall Buildings and Urban Habitat in Chicago published a report at the end of last year announcing "the era of the mega-tall tower" and predicting the 20 tallest buildings in the world by the year 2020 - more details in our earlier Dezeen Wire story.

See more stories about Rafael Viñoly here, including the interview we filmed with the architect about the golden arts centre he completed in September last year.

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Slideshow feature: Yongsan
International Business District

Slideshow feature: Yongsan International Business District

Skyscrapers in Seoul: this week we've run a series of stories on the Yongsan International Business District, a new commercial hub in Seoul, South Korea, that's due for completion in 2024. Commissioned by South Korean developer DreamHub, the new district has been masterplanned by architect Daniel Libeskind and will include skyscrapers by a host of international architects including Renzo Piano, BIG, MVRDV, REX, Dominique Perrault and Libeskind. Here’s a slideshow to bring them all together. More »