<Tr> <Td_colspan="2"> Must transfer from wheelchair </Td> </Tr> <Tr> <Td_colspan="2"> Assistive listening available </Td> </Tr> <P> Spaceship Earth is a geodesic sphere that serves as the symbolic structure of Epcot, at the Walt Disney World Resort . One of the most recognizable structures of any theme park, it is also the name of the dark ride attraction that is housed within the sphere that takes guests on a time machine - themed experience using the Omnimover system . </P> <P> The 15 - minute dark ride demonstrates to guests how advancements in human communication have helped to create the future one step at a time . Passengers journey back in time to witness the origins of prehistoric man, then travel forward in time to witness important breakthroughs in communication throughout history--from the invention of the alphabet to the creation of the printing press to today's modern communication advancements, including telecommunication and mass communication . At the conclusion of the ride, passengers have the chance to design their own future using touch screens that are embedded into the ride cars . </P>

What is in the big ball at epcot
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