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Architecture is traditionally chronicled through the persistence of the solid. We define the discipline by the weight of the lintel, the mass of the pier, and the resistance of the wall. Even when lightness is invoked, it is usually understood as a subtractive act, the thinning of a section or the precarious reduction of a load. Yet there is a parallel history, less visible and harder to isolate, in which the primary material of construction is not what occupies space, but what moves through it.

To treat air as a medium is to move past the binary of the envelope. The boundary between the interior and the world ceases to be a line of absolute separation and becomes, instead, a site of filtration and pressure. We begin to see the building as a thermal valve, a series of gradients where moisture, velocity, and heat are not merely background "conditions" to be mitigated by mechanical systems, but are the very substances being shaped.

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Each year, the ArchDaily Next Practices Awards highlights emerging studios that are expanding the scope of architecture through new methods, materials, and ways of working. Selected from a global pool, these practices reflect a shift away from singular definitions of the discipline, engaging instead with broader questions of construction, environment, and social impact. Rather than operating within fixed categories, many of these studios position themselves across fields, combining design, research, and production to respond to contemporary conditions.

Named one of the winners of the 2025 edition, Hand Over is a Cairo-based practice operating across design, construction, and research. Founded by Radwa Rostom, a civil engineer with over fifteen years of experience in development and sustainability, the studio works through an integrated design-build model, engaging with earth construction, local materials, and community-based processes.

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