Stanford University

28. The octagonal tambour is vaulted with a double-shell, both consisting of rows of stone laid in a herringbone pattern and open ribs. The extension of the choir was begun in the 13th century under Arnolfo di Cambio. FTP name this structure built between 1294 and 1467 whose dome was designed by Fillipo Brunelleschi. Answer: _Florence Cathedral_ ................
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