As is the door he just came through.
“Bugger this,” he says to himself, starting to look for a way out. It's only then that he realises there are no doors, just an endless corridor. He pulls back a curtain, but there are no windows, only more wood panels.
Something whispers in his ear, a phrase he can't quite hear. He knows as he turns there will be nothing to see.
“Right then,” he says, “If that's the game.” He sets off walking in one direction at a steady, even pace.
After a while, he hears whistling.
