Complex sentence: Among Bertoli's most distinguished work is the Teatro La Perla (1860s), and the former downtown Ponce residence of the Ermelindo Salazar (1870) at 70 Cristina street.
Split into simpler sentences: Among Bertoli's most distinguished work is the Teatro La Perla (1860s). He also designed the former downtown Ponce residence of the Ermelindo Salazar (1870) at 70 Cristina street.