He also joined in the crowd's chant of "Oh, Jeremy Corbyn".
It's the meme that'll never die.
And of course, he left the stage to a chorus of: "Oh Jeremy Corbyn."
What times we're living in.
All the behind-the-scenes pics you need to see, updated all weekend.
Tents on tents on tents.
"Shove a rainbow in fear’s face."
"No man is an island entire of itself; every man is a piece of the continent, a part of the main."
A woman played two flutes with her nose.
"I can't believe the UK has that many idiots."
Everyone bring armbands and goggles.