The perugia altarpiece , central panel depicting the madonna and child .
佩鲁贾祭坛组塑,中央装饰板描绘的圣母子。
That 's hugely challenging , says luca gammaitoni of the university of perugia in italy .
意大利佩鲁贾大学的lucagammaitoni说这是个巨大的挑战。
The uruguayan international , who joined the bianconeri from perugia in 2004 , has not been given many chances to shine , appearing only eight times this season and scoring four goals .