We heard him walk down the corridor in our direction.

He was walking down the main corridor on the ground floor.

They walked down the corridor to an office at the end of the hall.

"When they walked down the corridor and thought we couldn't hear them."

She walked down the corridor, toward the wall at the end.

He turned, instead, and walked down the corridor to where his own room was.

She turned away from him, and walked down the corridor.

The other man decided walking down the corridor would be a good idea.

They walked down the corridor to the front door, and he followed her outside.

When the girl came out he walked down the corridor without looking back.