Photo series documenting Swiss innovation in architecture, engineering, and materials for sustainable environments. Fabrication and Construction of Tor Alva, 3D-Concrete extrusion, ETHZ RFL. © Girts Apskalns

Photo series documenting Swiss innovation in architecture, engineering, and materials for sustainable environments. Building: Construction of Tor Alva, the world’s tallest 3D-printed building in the Alpine village of Mulegns, Switzerland. Designed by Benjamin Dillenburger and Michael Hansmeyer (ETH Zürich). © CheWei Lin

Photo series documenting Swiss innovation in architecture, engineering, and materials for sustainable environments. Building: View from Tor Alva, the world’s tallest 3D-printed building in the Alpine village of Mulegns, Switzerland. Designed by Benjamin Dillenburger and Michael Hansmeyer (ETH Zürich). © Andrei Jipa

Photo series documenting Swiss innovation in architecture, engineering, and materials for sustainable environments. Image from « The Atlas of Regenerative Materials », a project initiated by the chair of sustainable construction at ETH Zürich. Building: Bombasei straw bale housings by Atelier Schmidt GmbH. © Damian Poffet

Photo series documenting Swiss innovation in architecture, engineering, and materials for sustainable environments. Image from « The Atlas of Regenerative Materials », a project initiated by the chair of sustainable construction at ETH Zürich. Building: Bombasei straw bale housings by Atelier Schmidt GmbH. © Damian Poffet

Photo series documenting Swiss innovation in architecture, engineering, and materials for sustainable environments. Image from « The Atlas of Regenerative Materials », a project initiated by the chair of sustainable construction at ETH Zürich. Building: Bombasei straw bale housings by Atelier Schmidt GmbH. © Damian Poffet

Photo series documenting Swiss innovation in architecture, engineering, and materials for sustainable environments. Image from « The Atlas of Regenerative Materials », a project initiated by the chair of sustainable construction at ETH Zürich. Building: Coopérative Soubeyran housing by atba SA architecture + énergie. © Jaromir Kreiliger

Photo series documenting Swiss innovation in architecture, engineering, and materials for sustainable environments. Building: Tor Alva, the world’s tallest 3D-printed building in the Alpine village of Mulegns, Switzerland. Designed by Benjamin Dillenburger and Michael Hansmeyer (ETH Zürich). © Andrei Jipa

Photo series documenting Swiss innovation in architecture, engineering, and materials for sustainable environments. Assembly of Tor Alva, the world’s tallest 3D-printed building in the Alpine village of Mulegns, Switzerland. Designed by Benjamin Dillenburger and Michael Hansmeyer (ETH Zürich). © Hansmeyer/Dillenburger

Photo series documenting Swiss innovation in architecture, engineering, and materials for sustainable environments. Image from « The Atlas of Regenerative Materials », a project initiated by the chair of sustainable construction at ETH Zürich. Building: Bombasei straw bale housings by Atelier Schmidt GmbH. © Damian Poffet

Photo series documenting Swiss innovation in architecture, engineering, and materials for sustainable environments. Image from « The Atlas of Regenerative Materials », a project initiated by the chair of sustainable construction at ETH Zürich. Building: Coopérative Soubeyran housing by atba SA architecture + énergie. © Jaromir Kreiliger