Along one side was a narrow catwalk with a rail above it.

A flight of steel steps led up to a narrow catwalk.

It slid smoothly downward and opened onto a narrow catwalk in the huge engine room.

Selim dragged him back to the darkest part of the narrow catwalk.

Another screen swam, then showed a dim figure on a narrow catwalk.

The fellow must have been a rigger: even unconscious, he managed to land on the narrow catwalk.

A narrow catwalk connected the circular building with the apartment building on which they now stood.

Beyond it there was a narrow catwalk that had metal handrails.

He was on a narrow catwalk that ran in a circle, with the wall behind him and the railing out in front.

The narrow catwalk serving the bireme as a deck was packed with men.