A beautiful dappled mare tempts everyone who passes by…

but a boundary exists, she won’t come any closer. Even an apple doesn’t tempt her to come close.
We see the reason for the boundary as the apple thrower jumps back suddenly in pain – it’s an electric fence. The mare knows her boundaries, and the tourists can’t read the signs.

• The Daily Post’s Weekly Photo Challenge: Boundaries.
• More on our 2015 trip to Ireland.