It’s a small aeroplane, seats arranged in twenty rows of three, two one side of the aisle and one the other, roof low enough to necessitate a stooped walk towards our places. There’s something odd though; a makeshift barrier tape (looks like the demo seat belt used by stewardesses in the safety briefing), strung across the aisle, beyond which all the seats are already taken, even though passengers have only just started boarding. These guys are clearly too settled to have only just taken their places. Who are they, we wonder. Our designated seats are in Row 16, which is beyond the tape and therefore already occupied. Michaela moves the…