A set of steps at a train station painted one side in red, the other side in green, one side reads, this side up with an arrow pointing up, the other side reads,this side down with arrow pointing down, so that foot traffic keeps a good flow.
A set of steps at a train station painted one side in red, the other side in green, one side reads, this side up with an arrow pointing up, the other side reads,this side down with arrow pointing down, so that foot traffic keeps a good flow.