Complex sentence: In the mid- 2000s, the museum embarked on a major renovation project that has included the construction of a new wing for the Arts of the Americas, redesigned and expanded education facilities, and extensive renovations of its European galleries, visitor services, and conservation facilities.
Split into simpler sentences: In the mid- 2000s, the museum embarked on a major renovation project. This includes the construction of a new wing for the Arts of the Americas, redesigned and expanded education facilities, and extensive renovations of its European galleries, visitor services, and conservation facilities.