Concrete spiral staircase twists through open-plan office by Hildebrand
A spiral staircase made of concrete rises through the centre of an open-plan office designed by architecture studio Hildebrand in Steinhausen, Switzerland. More
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Snøhetta to build Shanghai Grand Opera House with spiral staircase roof
Snøhetta has revealed visuals for a major new opera house in Shanghai, featuring a spiralling stepped roof that will connect the upper levels of the building with a riverside plaza. More
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Vine Architecture Studio brightens up Mile End Road home with yellow staircase and skylights
Vine Architecture Studio has refurbished a rooftop apartment in east London, with features including a yellow spiral staircase and generous rooflights that fill the interior with daylight. More
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MAD to build huge blue spiral staircase in old Fenix warehouse in Rotterdam
MAD has revealed visuals of a "theatrical" spiral staircase set to create a panoramic viewing platform for a historic warehouse on Rotterdam's waterfront. More
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Skylights and stairways puncture Studio Libeskind's MO Museum in Lithuania
Black and white stairways splice and spiral through the Studio Libeskind-designed MO Museum of modern art in Vilnius, Lithuania. More
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Stairs spiral around the perimeter of ATAH's glazed Heli-stage art space
Shanghai-based studio ATAH's arts centre in the Chinese city of Shaoxing is a glazed cylinder intersected by a spiralling walkway that doubles as a stage. More
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Promontorio adds concrete spiral staircase to 1980s office building in Lisbon
Portuguese studio Promontorio has transformed a 1980s office building in Lisbon into a high-tech headquarters featuring a spiralling concrete staircase. More
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"Infinite" spiralling staircases in Budapest captured in photography by Balint Alovits
Balint Alovits' photography series Time Machine features architectural staircases in Bauhaus and art deco-style buildings in Budapest, Hungary. More
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Chunky concrete staircase spirals through House in Akitsu by Kazunori Fujimoto
A concrete staircase spirals between the austere concrete floors of this house designed by Kazunori Fujimoto Architect & Associates for a seaside spot in Japan's Hiroshima Prefecture. More
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Spiralling walkway surrounds courtyard at Portuguese home by António Costa Lima
A glazed ramp spirals around a courtyard at the centre of this house in the Portuguese town of Estoril, connecting the various living spaces and a garden roof terrace. More
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Boxy balconies and spiral staircase feature at Parisian apartment block by Karawitz
Parisian studio Karawitz has completed a housing block overlooking the Ourcq canal, which features balconies framed by light-grey boxes and an external corkscrew staircase. More
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Berlin apartment by NOWlab features a spiral staircase and a fireman's pole
Hidden behind a bookcase in a secret room, a fireman's pole offers a fast escape route from the top floor of this Berlin home by local studio NOWlab (+ slideshow). More
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CanopyStair is a spiral staircase that straps around any tree trunk
Graduate shows 2015: a pair of Royal College of Art graduates have created a new way to climb trees – strapping steps around the trunk to form a spiral staircase up to out-of-reach branches. More
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McDonald's restaurant by Mei Architects boasts a golden facade and a spiral staircase
This McDonald's restaurant featuring a perforated golden facade and a grand spiral staircase was designed by Dutch firm Mei Architects to replace "the ugliest building in Rotterdam" (+ slideshow). More
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Zalewski Architecture imagines spiral walkway strung between high-rise buildings
Bored with the dismal view from the office window, Polish studio Zalewski Architecture envisioned a grassy suspended walkway that would allow them to take a stroll without leaving the building. More
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Stilted woodland cabin by ALT Architekti boasts a spiralling metal staircase
A metal staircase twists though a triangular well in one corner of this six-sided timber cabin by ALT Architekti, which is raised on stilts over a hillside in Central Bohemia (+ slideshow). More
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Intertwining staircases spiral around the glazed core of Hiroshi Nakamura's Ribbon Chapel
Two curving staircases encircle the exterior of this wedding chapel by Tokyo-based architect Hiroshi Nakamura, meeting at a rooftop platform that overlooks the Hiroshima coastline (+ slideshow). More
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Spiral stairs puncture hilly floors inside Takeshi Hosaka's House in Byobugaura
A spiral staircase rises through the trough-shaped floors of this concrete residence in Japan by local studio Takeshi Hosaka Architects (+ slideshow). More
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Risa spiral staircase by Tron Meyer features fanning timber steps
Norwegian architect Tron Meyer has designed a spiral staircase made entirely from laminated wood carved into curving steps that optimise the space for walking on (+ slideshow). More
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Stairs spiral around interior of Adept's Dalarna Media Library in Sweden
Stairs and bookshelves wrap around a triple-height atrium inside this university library, which Danish architecture studio Adept describes as a "spiral of knowledge" (+ slideshow). More
