Originally Posted by
Zorak
FWIW although the YouTube video was posted Dec 1, the same video content is on Amazon prime (I think, it's in my watchlist but I haven't watched it yet but the first 10-15 seconds is the same anyway

) as "The Secret Life of the World's Busiest Airport" where the program notes say 2018.
Mystery taping date solved, thanks! Seems like another world ago with those packed gate houses.