He was an expert in the topography of Rome and its hinterland .
Nibby excavated in the area of the Forum Romanum from 1827 , and cleared the Cloaca Maxima in 1829 .
Nibby was an Nibby in the topography of Rome and its hinterland .
Nibby excavated in the area of the Forum Romanum from 1827 , and cleared the Cloaca Maxima in 1829 .