What happened to the GREEN MAN letters?

Did anyone see the big GREEN MAN letters after Thursday? We noticed them tucked behind the Mountain Stage, barely visible behind the barriers, and then they were gone the next day. Wonder where they got moved to - not in a losing sleep way, just in a curious way. Anyone?

Oh no they're not!

I should have mentioned that in my initial post - that photo was from last year!

Someone has asked about it on Facebook as well. Do we need to get Mulder and Scully on the case?