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This August 19th is World Photo Day, which celebrates photography on the anniversary of the day on which France bought the patent for the daguerreotype, one of the earliest photographic processes, and released it to the world for free in 1839. At ArchDaily, we understand the importance of photography in architecture—not only as a tool for recording designs, but also as a discipline that many of us enjoy. To celebrate the occasion, we decided to reveal the most popular images ever published on ArchDaily, as selected by you, our readers. Using data gathered from My ArchDaily, we have ranked the 100 most-saved images from our database; read on to see them.

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Construction has begun on Penn Station’s fast-tracked Moynihan Train Hall project has begun, announced New York State Governor Andrew Cuomo in a press conference.

Located within the existing James A. Farley Building (across from the existing Penn Station entrance), the new 255,000-square-foot Train Hall will serve as a new concourse for Amtrak and Long Island Railroad passengers, while an additional 700,000-square-feet will be dedicated to commercial, retail and dining spaces.

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Videos

Abu Dhabi-based Brazilian designer and artist Fábio Araujo has a fascination with abandoned places – the mystery of where the man made clashes with the natural to create unique colors, textures and compositions.

These places are the subject of his series, aptly titled “Abandoned Places,” in which he uses a series of digital manipulations to create small islands floating within and contrasting with their clean, solid backgrounds.

Other works by Araujo include “Favela,” where the Brazilian housing typology has been reimagined as located within the sky, and miniature models of scenes and buildings including the Burj al Arab hotel in Dubai.

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Do Architects Learn Enough About Construction and Materials? We asked this question to spark a discussion among our readers, and the number of responses on our sites in English and Spanish was overwhelming.

Having read and collected all these comments, it is clear that most of our readers agree that what is currently taught about materials and building processes is not enough. The vast majority of them admit that they have acquired this knowledge through fieldwork, years after having graduated. So once again we ask: if material knowledge is so important for the development of our profession, why is it not a fundamental part of the programs in universities around the world?

However, some of our readers contest this view, stating that architects don't have to know everything, and that we can't sacrifice good design to the constraints that impact the construction process. They base their arguments on the presence of specialists, to whom we should go whenever necessary, in a cohesive and collaborative process between the different disciplines.

Review the best comments received and join the discussion below.

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Videos

A design by Ashari Architects for an architectural installation in Iran is a direct response to the need to reconnect with the senses. The project, a pavilion built from a cube that holds a suspended brick volume, shows the potential of the use of this material by creating distinct atmospheres.

Riksbyggen and Sweco Architects were announced as the winners of a government-led competition to create a cross-laminated timber framed housing development for the Johanneberg district of Gothenburg, Sweden. The proposal, called “Slå rot” (Swedish for “put down roots”), was chosen for its response to its existing environment with nods to tradition, while still providing an innovative structural system and modern living to the neighborhood.

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The Royal Institute of British Architects (RIBA) and Hull UK City of Culture 2017 have jointly commissioned Chile-based architects Pezo von Ellrichshausen and Swiss artist Felice Varini to design an ambitious temporary outdoor structure in the historic heart of Hull, a port city on the country's east coast. The project, which is part of the Hull 2017 "Look Up" programme of public art installations, will "transform Trinity Square with sixteen galvanized steel columns arranged in a grid formation in front of Hull Minister to highlight the symmetry of its façade."