Complex sentence: Also that year the mall's first of two movie theatres broke ground on the southwest side of the main parking lot, and a new subterranean tavern called The Janitor's closet opened near The Broadway end of the mall.
Split into simpler sentences: Also that year the mall's first of two movie theatres broke ground on the southwest side of the main parking lot. And a new subterranean tavern, called The Janitor's closet, opened near The Broadway end of the mall.