The Swiss Federal Palace (Bundeshaus) is illuminated by giant light projection "The Jewel of the Mountains" in Bern, Switzerland October 15, 2015. The light and sound show will run every evening until November 29, 2015. (Photo by Ruben Sprich/Reuters)

Charcoal burner Zygmunt Furdygiel fires wood inside a charcoal furnace at a charcoal making site in the forest of Bieszczady Mountains, near the village of Baligrod, Poland October 27, 2016. (Photo by Kacper Pempel/Reuters)

A man stands on a mountain summit as he looks over the Inntal valley in the western Austrian village of Gnadenwald, Austria on July 18, 2017. (Photo by Dominic Ebenbichler/Reuters)

A man walks his dog through Los Berros Mountain in El Paso with the Cumbre Vieja volcano in the background, on the Canary Island of La Palma, Spain, October 24, 2021. (Photo by Borja Suarez/Reuters)

A member of the Revolutionary Armed Forces of Colombia (FARC) pose for a picture at a camp in the Colombian mountains on February 2005. (Photo by Frank Piasecki Poulsen)