Even when there are not actual parts of the level above or below the player, there are always interesting things to look at in all directions such as the cavernous roof with a small opening for strange light in the top of the cave that you're exploring or the valley below the cliffside undead village that you're fighting for your life in. (zeboyd.com)
DforDesign has since clarified that the leaked images are merely screen protector mockups and not actual parts of the device. (thenextweb.com)
There were actual parts where control was taken away from you and Samus ran down the hallway by herself. (nintendotoday.com)