So I was harvesting some Endstone and doing some PVP hunting today. I came back and went through default spawn to drop my load off at the mall, and came across this:
I have no idea where it came from, I have no idea where the snow behind it came from. Logblock tells me nothing. The portal doesn't go anywhere. It's just... there. And it wasn't there earlier today.
“The man who cannot believe his senses, and the man who cannot believe anything else, are both insane, but their insanity is proved not by any error in their argument, but by the manifest mistake of their whole lives."
G.K. Chesterton