"One of the reasons there's so much space between Future World and the World Showcase lagoon is that we discovered a gigantic sink hole near where the
Odyssey Restaurant is [in EPCOT]," Marty said. "We couldn’t build anything on top of it."
He related how workers tried in vain to shore up the land by driving massive piles into the earth, “but the piles just kept getting sucked into the ground.” They covered the sink hole by placing giant steel plates on top of it.