Complex sentence: During Epcot's "Holidays Around the World" celebration, the fountain dances to Christmas music; it is also synchronized with the "Lights of Winter" archway over the bridge connecting Future World and World Showcase.
Split into simpler sentences: During Epcot's "Holidays Around the World" celebration, the fountain dances to Christmas music. It is also synchronized with "The Lights of Winter" archway that is over the bridge connecting Future World and World Showcase.