The proposal for the B777 scientific research center by Henning Larsen and Ramboll has won an international competition. The circular building B777, made of wood, proposes an immersion in nature for the CERN Campus Prévessin located, on the edge of a forest and a park in Prévessin-Moëns, on the French side of the border between France and Switzerland.

The design echoes CERN’s original mission to unite scientists in the collective pursuit of knowledge. Founded in 1954, 12 European countries came together to establish the largest research facility for particle physics.

Today, CERN remains at the epicenter of scientific innovation, home to the world's largest and most complex research instruments, notably the powerful particle accelerator The Large Hadron Collider.
Henning Larsen’s circular design, with a sheltered courtyard at its heart, seamlessly connects forest, park, and plaza. Research campus, offices, restaurant, and workshop spaces are combined within the open timber building, offering a constant connection to nature.

A quadruple-height public atrium featuring informal working and lounge areas and connecting bridges embodies the place where knowledge can be exchanged serendipitously. With no dead ends, the large, flexible floor plans define community zones within the building, each with dedicated outdoor space and lounge areas. Inside, the workspaces will have a tactile and natural feel.

Drawing inspiration from the protected plazas at the heart of nearby Alpine villages, the central courtyard of the building extends the outdoor comfort season, intentionally designed to remain open and permeable, acting as a social hub. This space serves as an extension of the office and indoor activities, seamlessly connecting lab zones to informal meeting areas surrounded by greenery, and offices in the inner circle enjoy views of nature. This central hub acts as the gateway to the restaurant, featuring outdoor seating and a kitchen garden with aromatic plants. During summertime, the leaves provide shade, in winter, the canteen terrace welcomes the rays of the sun, and in rainy weather, the passage functions as a covered space.

Merging the surrounding landscape creates an extended biodiversity corridor, encouraging life to thrive, 'slow' paths and new routes around the campus will encourage people to connect with nature.

The landscape surrounding the building will take on a more urban character featuring islands of wild grass inspired by the Jura mountains and space for bike paths, bike parking, and charging stations.

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Architects
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Collaborators
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Local Architect.- Brière Architectes.
Engineers.- Ramboll, Artelia Group.
Landscape Architect.- Henning Larsen.
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Client
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CERN.
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Area
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1,200 m². (13,000 sq ft.)
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Dates
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Competition.- 2024.
Expected completion date.- 2027.
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Location
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Prévessin-Moëns, France.
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Renderings
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Henning Larsen Architects, was founded in 1959 an is an  is an international architecture company with strong Scandinavian roots.

Henning Larsen was born in 1925 in the town of Opsund, Videbæk, in western Denmark and moved with his parents to Bregninge, Zealand, as a child. Henning Larsen graduated from the Royal Danish Academy of Fine Arts, School of Architecture, in 1952. He established the company after a study trip to the United States. He started out with only one architecture student among his staff. Today, Henning Larsen Architects is one of Europe’s leading architectural companies. Henning Larsen's life work counts a number of significant building works in Denmark and abroad. He was often described as a "master the light". From 1968 to 1995, he was a professor at the Royal Danish Academy of Fine Arts, School of Architecture in Copenhagen.

Henning Larsen received a number of awards and recognitions. Most recently, His Royal Highness the Prince Consort of Denmark's Europe Nostra Award 2013 and in 2012 what is often referred to as the Nobel Prize of art, the Praemium Imperiale. In 2001, he established the Henning Larsen Foundation with the objective of promoting and disseminating architecture in its broad sense.

Among Henning Larsen's most important works abroad, you find the Ministry of Foreign Affairs in Riyadh (Saudi Arabia, 1984), The Danish Embassy in Riyadh (Saudi Arabia, 1987) and Malmö City Library (Sweden, 1997). In Denmark, his most essential works include Copenhagen Business School Dalgas Have (1989), Enghøj Church (1994), Ny Carlsberg Glyptotek (1996) and the Royal Danish Opera (2004).
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Published on: February 19, 2024
Cite: "Henning Larsen Designs Circular Timber Building for CERN" METALOCUS. Accessed
<https://www.metalocus.es/en/news/henning-larsen-designs-circular-timber-building-cern> ISSN 1139-6415
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