On the way to the weather station in the Sphinx Observatory.
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A look outside - what is the weather going to do?
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Even on a foggy day up here there's a wonderful view of the mountains.
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The west face of the Eiger.
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A look down towards the Kleine Scheidegg pass, with the Lauberhorn, Tschuggen and Männlichen peaks in the background.
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As operations head, Martin Fischer also has hands-on experience with some of the researchers' experiments.
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The "large" laboratory in the Sphinx Observatory.
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"Still life" in the obervatory's kitchen. For some researchers, it's almost a second home.
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"Please start fan before you start your business"... and then you can enjoy a marvellous view from what is probably Europe's highest toilet.
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Shelves of food belonging to scientists of the Paul Scherrer Institute (PSI) in the research station. You don't really need a refrigerator up here.
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A cosy corner in the recreation room.
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The results of different research groups which come from all over the world.
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Two young researchers work on their experiments.
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Archive files from a different age.
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Martin Fischer in the office of the research station, where his wife Joan is also manager of the "hotel rooms".
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The tourists remain outside. This is the hiking trail to the Mönchsjoch hut.
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This passive air sampler collects a number of particles from the air.
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Martin and Joan Fischer are here looking after an experiment carried out by Freiburg University in Germany.
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The research station has accommodation for up to 20 scientists.
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The atmosphere of the 1930s, when the research station was built, still pervades the bedrooms.
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Everyday life in the high altitude research station at the Jungfraujoch.
Martin and Joan Fischer play host to scientists, maintain the technical equipment and look after administrative chores above one of Switzerland’s most popular tourist destinations. (Pictures and text: Christoph Balsiger, swissinfo.ch)
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