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© Jean-François BUONCRISTIANI/Biogéosciences/CNRS Images
The scientific team arrives by helicopter at the Jardin de Talèfre, a rocky outcrop on the Talèfre glacier in the Mont-Blanc massif in France, in September 2016. This picture was taken during a mission to collect samples from surfaces polished by glaciers in the Mont-Blanc massif. The aim was to determine how their position had changed since the end of the last great glaciation, approximately 10,000 years ago. The purpose was to ascertain whether these glaciers had ever been smaller than they are at present, when they are in sharp decline due to global warming. The mission was part of the Mont-Blanc VIP project monitoring the speed of processes controlling morphological and environmental changes in the Mont-Blanc massif.