THIS IS NOT A CAPTION - NOR A SIGN OF PARTICULAR FAVOUR
Traffic_Is_Er_Was (#35488),
Forgive the interjection - but couldn't resist:
...Obviously the lessons must be about where the gaps are so you can get to there...
No, that's the job of Air Traffic Control !
(This one's "going like a house on fire" - Last Orders ca. 1800 GMT 15th May - otherwise too big to judge fairly)....
D.