With the weight of the multiribbed vault supported by buttresses , the cathedral became a stone skeleton of piers , ribs , and buttresses (Hugo , 1993 . The walls , relieved of much of their weigh-bearing function , were thin and often had stained-glass windows stretching from buttress to buttress . As one walks around outside the cathedral , each part of the interior becomes visible . The nave rises a full story above then aisle roofs . The transepts that convert the plan of the church into a cross...











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