Photo of me
Ruin of Heisterbach Abbey in the Siebengebirge near Bonn
Summit of the Napf (mountain in Switzerland)
Picture of the Rhine in Basel
Picture of the Rhine in Bonn
Lake Brienz with view towards Interlaken
Birseck castle near Basel
Path to the Mathematical Institute in Fribourg
Swedish wilderness (Sarek national park)
Our tent in Sarek National Park
Matthäus Quartier in Basel
Pont de Zaehringen in Fribourg
Fountain in Neuchatel
Abandoned industrial building in Basel
Highway crossing in Basel