Original sentence: Depaldo Stone Stairs (, also Каменная лестница) was constructed in 1823 with the money of Taganrog's Greek merchant Gerasim Depaldo at the crossroads of Greek Street and Depaldo Street (now Turgenevskaya Street) in Taganrog
Edited sentence: Depaldo Stone Stairs (, also Каменная лестница) was constructed in 1823 by the project of the Italian architect Francesco Boffo with the money of Taganrog's Greek merchant Gerasim Depaldo at the crossroads of Greek Street and Depaldo Street (now Turgenevskaya Street) in Taganrog