Walls

The walls have ears.

There are high walls about the town.

The outside walls of the auditorium are terribly stained. It is, in part, due to acid rain.

The thick walls baffle outside noises.

The bookshelves are built into the walls of my room.

The floor was painted green, while the walls were yellow.

After being out in the wind and rain for years and years the walls of this apartment building are weather-beaten and brittle.

Simultaneous translation broke linguistic walls.

He painted all the walls green.

They built the walls of the fortress without using cement at all.