Complex sentence: Today only the former MB building still stands, as well as a stadium seat Grand Theatre which was added in the early 2000s as an out parcel in a last ditch effort to bring life back to the Plaza.
Split into simpler sentences: Today only the former MB building and a stadium seat Grand Theatre still stand. The Grand Theatre was added in the early 2000s as an out parcel in a last ditch effort to bring life back to the plaza.