There's a light the other side of this rubble wall!

A rubble wall built with mortar will be stronger if assembled in this way.

The perimeter was pushed farther out and the rubble walls reinforced.

These were built of concrete and camouflaged with rubble walls.

The tunnel opened out beyond the initial rubble wall, but not enough for nine foot tall suit to stand up or turn around.

There is a cellar (not currently open to the public) which contains a "rubble wall that may be early".

Cainen's shot coincided with a blast from other side of the rubble wall.

He said that when the rubble walls were first built, they were probably out of character, too.

No original features survive except for parts of the original rubble walls on the east side.

The cemetery covers an area of 849 square meters and was enclosed by a rubble wall.