Chinese studio Muda Architects has added a series of glazed commercial spaces topped with snaking rooftop walkways to the Lujiatan Wetland Park in Chengdu. More about Muda Architects punctures sinuous retail centre in China with double-helix viewpoint
Mumbai-based architecture studio Sanjay Puri Architects has designed a swirling community centre with a sloping green roof in Rajasthan, India. More about Sanjay Puri Architects unveils spiral-shaped Nokha Village Community Centre informed by sand dunes
Architecture research studio Condition_Lab has completed the Pingtan Book House in China's Hunan province, which features a double-helix staircase designed to provide space for children to read and play. More about Condition_Lab intertwines spiral staircases at children's library in China
The spiral-shaped glass tower designed by architecture studio NBBJ for Amazon's second headquarters has been given permission to be built in Arlington, Virginia. More about Spiral Amazon HQ2 gets go-ahead to be built in Virginia
A spiralling ramp creates an unfolding, experiential route for visitors through the Tiangang Arts Center, a combined art gallery and hotel in China's Hebei Province designed by Syn Architects. More about Spiralling ramp surrounds arts centre in China by Syn Architects
Danish architecture studio BIG has revealed new images by Rasmus Hjortshøj of Marsk Tower, its spiralling double-helix viewing tower that recently opened to the public in southwestern Denmark. More about New photos show BIG's twisting Marsk Tower
The first photos of the recently opened Marsk Watchtower in Denmark designed by architecture studio BIG have been unveiled. More about BIG's spiralling double-helix viewing tower revealed
Scottish architecture practice Kettle Collective has unveiled designs for a 703-metre-high supertall skyscraper in St Petersburg, Russia, which would be the second tallest building in the world. More about Kettle Collective plans to build world's second tallest tower in Russia
In this week's comments update, readers are discussing the shape of Amazon's new NBBJ headquarters and sharing their views on other top stories. More about "It was only a matter of time before the poop emoji was designed" says commenter
Social media users have lined up to compare Amazon's future headquarters in Arlington, Virginia to ice cream, a Christmas tree and a cartoon turd. More about Spiralling glass Amazon HQ2 building "inspired by the poop emoji" say Twitter users
International architecture firm NBBJ has designed a spiral-shaped glass tower covered in trees and walking trails for online retailer Amazon as its new headquarters in Arlington, Virginia. More about NBBJ reveals spiralling glass tower topped by outdoor hiking trail as Amazon HQ2
London studio Sybarite has designed a store for fashion label Joseph in the Miami Design District to include round balconies, curved railings and spiral stairs as a reference to the city's seaside architecture. More about Black spiral staircase twists through Joseph store in Miami Design District
Musée Atelier Audemars Piguet is a spiral-shaped building rising up out of the landscape of Vallée de Joux in Switzerland designed by BIG for the watchmaker to house its collection of timepieces. More about BIG creates spiral museum for Audemars Piguet in the Swiss mountains
Ribbons of wood wrap around The Exchange by Kengo Kuma, which has opened in Darling Square, Sydney, Australia. More about Kengo Kuma completes first building in Australia
Pritzker Prize-winning architect Tadao Ando has released visuals of the He Art Museum in Shunde, China, which opens later this year. More about Tadao Ando reveals design for He Art Museum in China
A spiral staircase twists 810 degrees to form a viewpoint designed by architecture studio Doarchi to look out over the mountains close to Shenzhen. More about Spiral lookout tower gives views of the mountains in Shenzhen
A spiral cafe with a rooftop garden in Chelsea, London, by architecture studio NEX has curved windows that can retract fully when the weather is good. More about London cafe in spiral concrete shell has retractable windows
Danish architecture studio EFFEKT has built a helical tower that invites you to climb up above the treetops of the Gisselfeld Klosters Forest in Denmark. More about EFFEKT completes spiralling Camp Adventure tower in midst of a Danish forest
These new photographs capture the twisted and fragmented exterior of US firm Studio Gang's 40-storey Mira tower, as it takes shape in San Francisco. More about Studio Gang's spiralling Mira tower tops out in San Francisco
The Walk Above the Vineyards is a circular ramp designed by architecture studio Keeo4design, which offers an elevated view over the vineyards in the Czech Republic's South Moravian Region. More about Keeo4design builds spiralling viewpoint in a Czech hilltop vineyard