The new 36-story Prime Tower in Zurich, Switzerland by Gigon/Gayer Architecten has a bistro with a puzzle piece ceiling.
Along the exterior skin ‘every second or third window is operable -tenants can push them open parallel to the facade for a 6cm opening -creating an ever-changing pixelated surface.’
– Architectural Record June 2013
photo found on Architectural Record
Passive Architect 