Construction is well underway on a 207-metre skyscraper by Zaha Hadid Architects in Beijing, which will feature a huge twisting atrium that is expected to be the world's tallest.
Located in the Lize Financial Business District ? a new business, residential and transport hub in southwest Beijing ? the 46-storey Leeza Soho will feature a mix of offices and shops.
Designed by Zaha Hadid before her death last year, the skyscraper ? which is already 20 storeys tall ? is positioned above a pair of subway lines that diagonally divide the site.

The tower is split into two halves by the subway and connected by a huge central atrium. As it rises, the atrium twists at 45 degrees to orientate the higher floors with the east-west axis of Lize Road ? one of west Beijing's main streets. Once completed, the 190-metre-high void is expected to be world's highest ? a title currently held by the Burj Khalifa skyscraper in Dubai.
The shape of the atrium creates convex openings that run up either side of the tower to allow for plenty of natural light and views of the city from the centre of each floor.
Walkways will bridge the cavity at different levels, while a glass facade will encase the two halves of the tower in a single cohesive envelope.

The glazing will be double insulated and as each glass each pane steps up it is angled to aid ventilation. The intention is to help maintain a comfortable indoor climate in Beijing's weather conditions, which ranges from extremes of warmth an...