thanks Rosko and Akira for looking
if I remember right it was 50mm, I had manual 28mm and 50mm lenses with me
the picture is slightly cropped
all "pop-up" language is English, the mall opposite to this building is "My Zeil"
edit:
Jakov,
you were posting at the ame time as i was posting, thx for looking. Five Guys should be a fast food restaurant, never tried it.