Assertion: commune's structure | /r/HasProperty | di cambio
Facets:
Source sentences:
text: The Siena Cathedral Pulpit is an octagonal structure in Siena Cathedral sculpted by Nicola Pisano and his assistants Arnolfo di Cambio, Lapo di Ricevuto, and Nicolas’ son Giovanni Pisano between the fall of 1265 and the fall of 1268.