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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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One of the hallmarks of architectural sensibility is a clean, clutter-free space – "a place for everything and everything in its place." Every project requires some element where things can be neatly stored away, whether it be books, kitchen appliances, or entire furniture pieces. Solutions for these storage needs can range from invisible and out of the way, to stunning, textural centerpieces – either way adding necessary functionality to our most-used spaces.

Check out this selection of ten brilliant storage spaces.

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After built structures become disused or abandoned, adaptive reuse can be the perfect way to breathe new life into an old building, while conserving resources and historic value. Whether due to environmental reasons, land availability or the desire to conserve a historic landmark, countless architectural firms worldwide are turning to adaptive reuse as a solution to some of the modern problems of the built environment.

With this in mind, we have compiled a list of 20 creative adaptive reuse projects, each of which utilizes an old structure to create a revitalized form in its own distinct way.

See how a former chapel, water tower and 19th century slaughterhouse were transformed and given new life, after the break.

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