Illustrating
Sketching:
Window designs are taken from interesting designs around Europe
Process of illustrating
1. An unknown design (most probably from Rusia)
2. A design from Europe
Motif: 
3. Chinese Motif
Motif : 
4. Arabic Motif
5. A design from New York
6. Gothic design from Ukraine
7. Japanese design
At first, I choose 7 windows to illustrate 7 continents in the world. However, after I do explorations some continents have similar designs.
Thus, reasoning of the current 7 chosen countries is to show major differences of window designs on different countries which are influenced by their culture.
Researching some backgrounds:
On this state I am still unsure of the suitable background.