Back from Brussels via Kings Cross. We race for the train and settle into our seats. Then we notice the large red steam train next to us through the window. "Hogwarts Express", puffing steam, with spatters of soot on its funnel, right alongside.
There is a buzz up and down the carriage, and camera flashes. An air hostess opposite leans over to take a picture for her daughter. A brisk woman wearing the tag 'Locations Manager' and followed by a policeman steps along the aisle, telling people to please put the cameras away and chat normally (rather than gawp out the window).
Our train pulls out and we see, as we leave the steam train behind, the camera crews and detritus of the filmshoot on platform 4. There's an actorish guy reclining in a director's chair (logic'd suggest a director, but he seemed rather too compact, the way actors can go when they are off-camera but still in the zone).
The word is they've been filming the absolute final scene in the Harry Potter series. E wonders if her orange hat will have been in shot. Further up the train, somone announces they've seen Daniel Radcliffe with an owl.