How to use "corridors" in a sentence

They walk along the corridors for five minutes and reach an internal courtyard.

The corridors had been deserted then

The intersecting hall began directly in front of them, across from the guardroom, and bored at least four hundred feet into the mountain; a long row of doors waited on each side of it, and other corridors opened off it as well.

We tried to follow him, but the corridors were crowded