It was divided into two rooms, each with its own outside entrance.
You must have thought you could get in from the outside entrance.
Frustrated, she made the decision to go through the outside entrance.
Glancing toward it, he saw that the break seemed to have once been an outside entrance.
"You could block up the outside entrance and the passage real easy."
The outside entrance to the base of the tower has been closed.
I would also put saw rays across the outside and inside entrances.
Katie kept talking even as she walked down the hall toward the outside entrance.
She knew there was an outside entrance to the basement.
Next to it was a square pad much like the one at the outside entrance.