<Tr> <Th> Floor count </Th> <Td> </Td> </Tr> <Tr> <Th_colspan="2"> Design and construction </Th> </Tr> <Tr> <Th> Architect </Th> <Td> Giuseppe Piermarini </Td> </Tr> <Tr> <Th_colspan="2"> Website </Th> </Tr>

When was the royal palace of milan built