When the flash photograph is taken of them standing in front of the decorated Christmas tree, the illuminated angel on top of the tree magically disappears.
When they are decorating the tree and there is a power cut and all the lights go out, the lights on the tree stay on.
There is no reason a flight from USA to Vienna would divert to a regional airport in the UK. It would land at a major international airport, like Heathrow, Gatwick, Stansted, Birmingham, or Manchester; none of which is served with a (regular) steam-train service (although there may be very rare special steam service, most trains are diesel/electric).