The unexpected arrival of a man on a chalet roof in Scotland prompts a few questionsWhat is going on in this picture? Is it:a) An unfortunate burglar caught trying to escape through a hole in the roof?b) Sculptors adding the final touches to Damien Hirst's new artwork, Big House Idiot?c) An SAS training exercise interrupted by a team of builders?d) A Batman stunt double being rescued after falling from the sky?Answer: d) It was Batman, or almost.