For all she actually noticed, a blank wall would have served just as well.

This wall would serve as the main defense for the acropolis until the 5th century.

During the last several years, though, the historic wall has served an unintended role.

The school's walls have served as canvas for the pupils.

The walls and gates also served as a status symbol.

Its shelves and walls serve as a kind of index to his remarkable life.

The wall thus served as an elevated highway for soldiers and traders.

The interior wall, high and smooth, a quite effective barrier, served well to keep their slaves within.

The wall no longer served as armor but as a place for people to walk by and things to grown in.

The outer wall of the building itself served as the defensive palisade.