Not Fenced In

I have no idea what these four fences are doing in a row in the middle of a paddock. They're not joined together to make pens, just lined up.

[Debbie]

Very odd indeed. I haven't seen anything like that either. Well spotted

[Louise]

An interesting find! There must be a reason for it!

[Ali P]

very strange!!!

[Sue Cooper]

This is bizarre. Well spotted and captured.

[Rick]

Awesome capture. For horse jumping? Might be too close for that.

[Mary]

Cool shot though!

[Stephanie Swift]

Interesting find, well captured.

[Sally]

How bizarre - well spotted