Two concrete columns hold up a curving concrete roof of this pavilion that architecture firm SOM has built using a method it says could reduce the carbon footprint of high-rise concrete buildings.

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During the modern period, the buildings that used the traditional sloping roofs with tiles, draining the waters as quickly as possible, have begun to give way to the well-known 'waterproof flat roofs.

A curving slab-like roof oversails the glazed elevations of this new airport terminal in Gibraltar by London firms Bblur Architecture and 3DReid (+ slideshow). The architects designed the building as ...

The tradition of modern architecture confirms that building roofs are usable spaces as significant as indoor areas. After all, the garden terrace is one of the five points of new architecture, ...