Complex sentence: The most recent renovation to Walden Galleria comprised an extensive $60 million renovation between 2006 and 2008, which added several new tenants; a new movie theater was opened May 2008, and a Barnes & Noble bookstore will be added.
Split into simpler sentences: The most recent renovation to Walden Galleria comprised an extensive $60 million renovation between 2006 and 2008, which added several new tenants. A new movie theater was opened May 2008, and a Barnes & Noble bookstore will be added.