They were re-discovered .
They were restored in the 16th and 17th centuries by command of Cosimo III , excavated in 1881 by Clemente Lupi , fenced off in 1938 ( after the demolition of some neighbouring houses ) and finally fully restored in 1947 .
They were re-discovered and restored in the 16th and 17th centuries by command of Cosimo III , excavated in 1881 by Clemente Lupi , fenced off in 1938 ( after the demolition of some neighbouring houses ) and finally fully restored in 1947 .