Jungfraujoch -- the highest railway station in Europe

A cog train is seen at the Interlaken Ost in the Valais Alps, Switzerland on Aug. 13, 2011. Taking the cog train up across mountains and finally getting to its last stop the Jungfraujoch is Switzerland's most popular mountain railway excursion. The Jungfraujoch is the highest railway station in Europe.[Photo/Xinhua]