DIAGRAM: illustrating "flying buttresses". The flying buttresses on Chartres are rather modest compared to later cathedrals.
Beautiful flying buttresses at Notre Dame in Paris
Flying Buttresses. They look lovely, but actually play a large role in keeping the structure steady.
Flying buttress typical of Gothic architecture | Washington National Cathedral...
How Gothic architecture was structured. Important: The location and use of flying buttresses and ribbed vaulting.
Clerestory, flying buttress, Chartres Cathedral- Chartres, Eure-et-Loire, France
Flying butresses at St. Vitus Cathedral in Prague
chapter 9 flying buttress: were diagonal arches that provided support to the structure. It became a major design feature on French cathedrals.