Instead Of Stairs, A Spiraling Ramp Was Designed For This Office Building Erin 5 years ago Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X bjarke ingels group’s marsk tower, a spiraling observation helix, officially opens to publicDateAugust 11, 2021In relation toArchitectureamazon unveils NBBJ-designed ‘helix’ as part of its arlington, virginia headquartersDateFebruary 2, 2021In relation toArchitectureEFFEKT’s Spiraling Observation Tower Will Take Visitors 45 Meters Above the TreetopsDateOctober 13, 2017In relation toArchitecture
