The rocky walls had changed from black to a reddish-yellow.

I was just about to summon the flames when the walls changed color, going from white to blue.

Look like you belong 'and the walls will change color to match you.

A new "wall" building type substantially changes the strategy for some maps.

At times, the walls changed from brick to stone; their condition was not always the same.

Even though the six-sided room looked precisely the same, the walls had changed color.

"A real wall, that kept information from me, would really change the way most firms operate."

They continued down until the walls on either side changed from blocks to solid stone.

Behind him the wall changed its form into solid matter again.

Inside the dray, men tumbled as wall changed place with ceiling and floor.