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Great Aletsch Glacier, UNESCO World Heritage Site, alpenroses at the front, Riederalp, Bettmeralp, Canton of Valais, Switzerland | Grosser Aletschgletscher, UNESCO Weltnaturerbe, Alpenrosen im Vordergrund, Riederalp, Bettmeralp, Kanton Wallis, Schweiz (KEYSTONE/imageBROKER/Daniel Baertschi)