Berliner Fenster no 48

Berliner Fenster no 47

Berliner Fenster no 46

Berliner Fenster no 45

Berliner Fenster no 44

Berliner Fenster no 43

Berliner Fenster no 42

Berliner Fenster no 41

Berliner Fenster no 40

Berliner Fenster no 39

Merry Christmas!

Berliner Fenster no 38

Berliner Fenster no 37

Berliner Fenster no 36

Berliner Fenster no 35

Berliner Fenster no 34

A Berliner with a thing for Piet Mondrian?

Berliner Fenster no 33

Berliner Fenster no 32

Berliner Fenster no 31

Berliner Fenster no. 30

finally this series got its own category: 

have a look at the previous Berliner Fenster

Berliner Fenster no 29

@ X-Berg