Walt Disney World's EPCOT, Lake Buena Vista, FL, USA - Paramedics tried to revive the 4-year-old after he passed out on EPCOT's Mission: Space, but the boy ultimately died.Daudi Bamuwamye, on vacation with his family, lost consciousness on the enclosed centrifuge-like flat ride at 3:30 p.m. yesterday. His mother got the attention of paramedics and the boy was en route to a hospital when he died.It is reported that the boy met the ride's height restriction of 44 inches. An autopsy will be conducted.The ride was temporarily closed until declared safe for operation and reopened today.Mission: Space opened October 23, 2003 at a cost of $100 million.