Complex sentence: Two new interior sets were created that are not shown to connect to the rest of the set: a top hatch that Lando Calrissian (Billy Dee Williams) uses to rescue Luke Skywalker (Mark Hammil), and the compartment where Luke rests on a bunk.
Split into simpler sentences: Two new interior sets were created that are not shown to connect to the rest of the set. A top hatch that Lando uses to rescue Luke, and the compartment where Luke is lying on a bunk.