During the developer roundtable, Super Mario producer Yoshiaki Koizumi revealed a top-down stage that mimics the dungeon layout from Link's first outing. It can be seen briefly in the video below, which also contains some other interesting tidbits of information: the origin of the Tanooki Suit's flying ability and the revelation that Shigeru Miyamoto's official Mii wears gold pants. Don't miss it.
What a doozy
"It’s a link to our past, but not a repeat of it"