Allegra EMU 3513 departs from Alp Grüm with a Bernina Express
towards Tirano on 3 October 2011, passing under the Palü glacier.
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Digital photo by Christoph Schmitz
(<a href="mailto:christoph.schmitz2@post.rwth-aachen.de">christoph.schmitz2@post.rwth-aachen.de</a>)