REMOVE

1. Architecture -- 1100-1200
2. Flying buttresses

WHAT

1. Arches (4)
2. Architecture -- 1000-1100 (2)
3. Architecture -- 1200-1300 (3)
4. Architecture -- 1300-1400 (1)
5. Architecture -- 1500-1600 (2)
6. Architecture -- France (10)
7. Architecture, Gothic (6)
8. Architecture, Romanesque (2)
9. Cathedrals -- France -- C … (8)
10. Cathedrals -- France -- L … (2)
11. Decoration and ornament, … (7)
12. Doorways (1)
13. Finials (1)
14. Rooftop architecture (3)
15. Windows (5)

WHERE

1. FRANCE (10)
2. Chartres, Eure-et-Loir (8)
3. Le Mans, Sarthe (2)

WHO

1. not known (10)

WHEN

1. 1155 (8)