Other hazards include large yellow walls with doors that open and close.

He woke a little to see the yellow walls passing.

I turned my eyes to the row of elevators against the yellow wall.

He pointed toward the yellow wall of the castle where there was, indeed, a video camera.

I looked behind me to the dark splat against the yellow wall, then back to them.

A pale yellow wall rose up in front of us.

From here on he had to move to the left, straight for the yellow wall of flame.

The yellow wall behind him has the same monotonous straight lines.

Then on my left, set back from the road and a little above it, I saw the yellow walls for the third time.

The brick and yellow walls are a little too plain.