Some Private Pictures (click images for larger versions)

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New York City by night - cold'n colourful.
 

Chinatown in Washington DC. Nice neighbourhood.
 

If you are an astronomer and come across this sign, you're probably on your way to the GBT.
 

Blackboard in my office in Bonn. The more colours you use, the less often you have to clean.
 

Things you leave behind. My apartment in Bonn (Argelanderstr. 74), the most beautiful place I ever called home.
 

View from my apartment in Heidelberg. Weather's better than usual.
 

Shadows over Slovenia. Flo, me and Isabel (left to right).