Through it, he found the wall turned at right angles.

The wall above the top of the door turned orange-white.

It's as if all the walls in the world just turned to glass.

Finally, the wall turned a corner, leading away from her, which was a surprise.

The wall turned at this point and continued almost precisely north.

After twenty or so yards the wall turned a corner.

If one wall turns dark, don't take another step, go a little more to the other side.

If your walls are not turning green, it is probably too dry.

From the looks of how that wall turned back to stone, it just might be.

They hit the wall, trumpeted together this time, then turned and ran the other way.