A rock sitting on top of a boulder with a stop sign painted on it.
A number of images/words painted on some rocks.
Various signs and writing is painted on stones, including a stop sign. 
Three rocks are sitting on top of a larger rock under some trees; one rock has a picture of a stop sign on it, one rock has another road sign on it, and one rock has some writing on it.
A group of rocks painted with signs on them