Complex sentence: City College is a massive stone structure with a 150-foot bell tower of Collegiate Gothic Revival style architecture, and a historic landmark, plus the capstone of the Baltimore City Public Schools, with a number of illustrious and famous alumni.
Split into simpler sentences: City College is a massive stone structure, with a 150-foot bell tower in the Collegiate Gothic Revival style architecture. A historic landmark and the capstone of the Baltimore City Public Schools, City College boasts many famous alumni.