Sources

https://cdn.futura-sciences.com/buildsv6/images/mediumoriginal/d/0/9/d09c24867c_50170596_erosion-soulevement-alpes.jpg

https://pixy.org/src/19/194292.jpg

https://www.okvoyage.com/wp-content/uploads/2020/02/les-alpes-suisses-1024x681.jpg

https://images-us.nivea.com/-/media/local/ch/adp/tierwelt-schweiz-berge/fr/fullbleed_faune-des-montagnes-suisses.jpg?rx=732&ry=0&rw=2063&rh=806

https://e-montagne.com/design/uploads/2019/10/montagne-suisse.jpg

https://media.routard.com/image/83/0/photo.1536830.w430.jpg