A pair of men in shorts lay on the concrete in a drainage culvert , surrounded by graffiti .
It is unlikely that a pair of men who have just tagged a drainage culvert lay down and enjoy their graffiti work .
It is unlikely that a pair of men who have just tagged a drainage culvert lay down and enjoy their graffiti work .
It is certain that a pair of men who have just tagged a drainage culvert lay down and enjoy their graffiti work .
A pair of men who have just tagged a drainage culvert lay down and enjoy their graffiti work .