Question: Where is the company that has a ski area in Tsanfleuron Glacier based in?
Sentence (from "Tsanfleuron Glacier"): Most of the glacier is used as a ski area and is better known under the name "Glacier 3000" or "Glacier des Diablerets" (the latter is in fact a nearby smaller glacier on the summit of the Diablerets).
Relevant evidence: Yes