Today, we'd like to commemorate the captivating architectural photography of Fernando Guerra. The Portuguese architect-turned-photographer’s work has graced our webpages many times since he began his career in 2001. In a recent interview with Paperhouses, he recalls the evolution of his aspiration to capture decisive architectural moments. Here are five of our favorites: Cube House, Alcácer do Sal Residences, House in Fontinha, the Pocinho Center for High Performance Rowing, and the Ílhavo Maritime Museum Extension.

To celebrate our birthday today, we decided to take a look back at the most popular projects of the last six years. Who takes the top spot? Zaha Hadid? Frank Gehry? Well, you may be surprised...

See our 20 most popular projects of all time, after the break...

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In this article, originally published by Metropolis as "Houses Without Windows: Meditative Respites or Architectural Straightjackets?", Komal Sharma looks into the architectural oddity that is the completely enclosed house. While many would shudder at the idea, there is a rich history of houses which, in exceptional circumstances and with exceptional clients, make sense without windows.

The Vertical Glass House by Chinese architects Atelier FCJZ is disingenuous to say the least. Its name suggests a vertical derivative of Philip Johnson's canonical house, and in fact its architects describe it as a 90-degree rotation of the typical modernist glass house. Instead, what welcomes visitors at Shanghai's Xuhui waterfront is a four-story concrete house without any windows. Where is all that promised glass, you might ask?

The answer is inside. The house's textured concrete walls give it the appearance of a bunker, but the interiors are actually light-filled. The architects accomplish this through an inverted sense of space. Where one expects walls of glass, yielding a platonic prism that brazenly exposes inhabitants to the outside world, the house instead delivers a surprising twist: the 7-cm-thick floor slabs are completely transparent, endowing users with a Superman-like sense of see-through vision. The experience of looking up through all of the house's spaces, even the most private spaces like the bathroom, is breathtakingly novel.

Read on for more about the phenomenon of window-less houses

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UPDATE: The winning images will go on show February 28th in London at the "Building Images: The Arcaid Images Architectural Photography Awards 2013" exhibition. They will remain on view through April 25th inside a renovated factory on 7–9 Woodbridge Street.

The Architectural Photography Awards, hosted by Arcaid Images, have announced the winner, runner-up and shortlisted images for this year's best architecture photos. A distinguished panel architects and editors that included Catherine Slessor, Eva Jiricna, Zaha Hadid, Ivan Harbour and Graham Stirk were asked to look beyond architecture and into composition, atmosphere and scale to ultimately judge four categories of images: Interiors, Exteriors, Sense of Place and Building In Use. Their selections reflect this vision admirably.

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