![Jocelyn Gisiger, Swiss Federal Office of Topography's (Swisstopo) geologist, performs a geological mapping after an excavation in the Mont Terri rock laboratory, a research project of Swisstopo, in St-Ursanne, Western Switzerland, July Jocelyn Gisiger, Swiss Federal Office of Topography's (Swisstopo) geologist, performs a geological mapping after an excavation in the Mont Terri rock laboratory, a research project of Swisstopo, in St-Ursanne, Western Switzerland, July](https://c8.alamy.com/comp/2D09086/jocelyn-gisiger-swiss-federal-office-of-topographys-swisstopo-geologist-performs-a-geological-mapping-after-an-excavation-in-the-mont-terri-rock-laboratory-a-research-project-of-swisstopo-in-st-ursanne-western-switzerland-july-3-2012-the-mont-terri-project-is-an-international-research-project-on-the-hydrogeological-geochemical-and-geotechnical-characterisation-of-a-clay-formation-opalinus-clay-clay-formations-are-being-considered-in-various-countries-for-the-deep-geological-disposal-of-radioactive-waste-and-is-the-only-host-rock-being-proposed-in-switzerland-the-rock-laboratory-2D09086.jpg)
Jocelyn Gisiger, Swiss Federal Office of Topography's (Swisstopo) geologist, performs a geological mapping after an excavation in the Mont Terri rock laboratory, a research project of Swisstopo, in St-Ursanne, Western Switzerland, July
![Man on a difficult rock climb called Odyssee on the Eiger North Face Grindelwald, BE, Switzerland CR_PAS Man on a difficult rock climb called Odyssee on the Eiger North Face Grindelwald, BE, Switzerland CR_PAS](https://www.imago-images.com/bild/st/0114897068/w.jpg)
Man on a difficult rock climb called Odyssee on the Eiger North Face Grindelwald, BE, Switzerland CR_PAS
Green Plant And Red Rock In Swiss Alps Valais Emosson Switzerland Europe Stock Photo - Download Image Now - iStock
![David Jaeggi of Swisstopo (L) gives details to journalists on the deformation experiment in the Mont Terri rock laboratory in St-Ursanne, western Switzerland, September 19, 2013. The Mont Terri Project, run by David Jaeggi of Swisstopo (L) gives details to journalists on the deformation experiment in the Mont Terri rock laboratory in St-Ursanne, western Switzerland, September 19, 2013. The Mont Terri Project, run by](https://c8.alamy.com/compfr/2e6ck32/david-jaeggi-of-swisstopo-l-gives-details-to-journalists-on-the-deformation-experiment-in-the-mont-terri-rock-laboratory-in-st-ursanne-western-switzerland-september-19-2013-the-mont-terri-project-run-by-the-swiss-federal-office-of-topography-swisstopo-is-an-international-research-project-on-the-hydrogeological-geochemical-and-geotechnical-characterisation-of-a-clay-formation-opalinus-clay-clay-formations-are-being-considered-in-various-countries-for-the-deep-geological-disposal-of-radioactive-waste-and-is-the-only-host-rock-being-proposed-in-switzerland-the-rock-laboratory-is-de-2e6ck32.jpg)