Wrinkle finish paint looks like this when it first starts crazing...

["N:dlzc D:aol T:com \(dlzc\)" <N: dlzc1 D:cox T:>]

http://www.space.com/imageoftheday/image_of_day_060213.html

... of course this is an unknown phenomenon on the surface of 
Mars.

So who painted Mars?  Where is the "Wet Paint" sign?

;>)

David A. Smith