1.   Because of the inadequate fenestration later Gothic buildings, in particular, are dark inside compared to their equivalents elsewhere.

2.   If the old houses have a flaw, it is that they tend to be dark inside.

3.   They said it was very dark inside the trailer so they were tripping over dead bodies as they tried to make their way to the doors.

4.   White prefers containers that are dark inside.

5.   Shuttle commander Steven Lindsey said the air lock was dark inside and a little warm when he entered, but that everything was in place.

6.   Unity was dark inside and so the astronauts took along flashlights and lanterns.