saint george freeing the princess, marble, donato di niccolò di betto bardi known as donatello, orsanmichele church in florence

arch architecture art bardi betto chiesa church della donatello donato dragon europe facade faith figure firenze florence free freeing george heritage historic history holy icon italia italy known landmark marble medieval michael monument niccolò old orsanmichele piazza pray princess public relief religion religious renaissance sacred saint spirituality stone toscana tuscany