Christoph Strässler|sourceurl=https://flickr.com/photos/78904630@N08/16434521143%7Carchive=http://web.archive.org/web/20190114145538/https://flickr.com/photos/78904630@N08/16434521143%7Creviewdate=2018-12-28 20:12:37|reviewlicense=cc-by-sa-2.0|reviewer=FlickreviewR 2
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