 Complete the following phrase:  Another restoration from 1999 to 2003 aimed wherever possible to restore the building to its original scheme and at least partially to recover the interior and exterior wall paintings and decoration. It allowed the fragments of external fresco to be stabilised and recovered, showing them to be typical of Mantuan buildings from 1550 to 1600. In 2003 the Loggia dei marmi and cycle of frescoes in the Camera del Crogiuolo, Camera delle Frecce and Camera del Sole were all opened to the public. The 