Light is a key feature in architecture. Centuries ago, the sun and fire were the only sources of illumination, but in today's technology-driven world, artificial lighting and cutting-edge optical technologies have found ways to mimic the qualities of natural light, making it possible to have a naturally-lit-looking space within four walls. LED technologies have even made it possible to embed lighting in furniture, interior surfaces, and facades, altering their intensities and hues to make light a main feature in the architecture's storytelling.

If used effectively, lighting can become a lot more than just an illuminator; it becomes a mood setter, a symbol of a specific emotion the architect is trying to convey. For instance, indirect lighting becomes a floater, levitating the walls from the ground and making the space seem lighter in weight, whereas orange light manipulates the space's temperature, creating the illusion that the users are walking into an intense, overheated room. 

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What does the future of cities and transportation look like? It looks like the future will run on two wheels and a handle bar. Many explain the rise of cyclists as a shift towards a healthier and more economical lifestyle. But while that may be true, why would individuals feel inclined to ride bicycles if the roads don't support it, or if there weren't adequate spaces to park?

Architecture plays an important role in promoting the use of bicycles. Cities equipped with safe bicycle lanes, parking lots, and public bike facilities encourage citizens to refrain from using their cars, and opt for a much more sustainable means of transportation. Many have already began reshaping their urban infrastructure in a way that caters to bicycles, whether it is through bicycle bridges, widened cycling lanes, or permanent parking lots.

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The key to successfully designing or recovering public spaces is to achieve a series of ingredients that enhance their use as meeting places. Regardless of their scale, some important tips are designing for people's needs, the human scale, a mix of uses, multifunctionality and flexibility, comfort and safety, and integration to the urban fabric.

To give you some ideas on how to design urban furniture, bus stops, lookouts, bridges, playgrounds, squares, sports spaces, small parks, and urban parks, check out these 100 notable public spaces.

Due to its ability to mold and create different shapes, concrete is one of architecture's most popular materials. While one of its most common uses is as a humble foundation, its plasticity means that it is also used in almost all types of construction, from housing to museums, presenting a variety of details of work that deserves special attention.

Check out this collection of 40 projects that highlight the use of concrete. Impressive!