However , there is evidence for the portico columns sometimes using stone , as at Veii .
Usually , only the podium or base platform used stone , with the upper parts of wood and mud - brick , greatly reducing what survives for archaeologists .
There is evidence for the portico columns sometimes using stone , as at Veii .
Usually , only the podium or base platform used stone , with the upper parts of wood and mud - brick , greatly reducing what survives for archaeologists .