The Lower Grindelwald glacier is pictured in 1858 in Grindelwald, Switzerland. (Photo: Glaziologische Kommission der Akademie der Naturwissenschaften Schweiz/ETH Library Zurich/Handout via Reuters) The Lower Grindelwald Glacier is seen in the Swiss Alps in Grindelwald, Switzerland Aug. 27, 2019.(Photo: Denis Balibouse/Reuters)