I hope that the coal was naturally smokeless anthracite, or an approved coal based patent fuel.
And is there such a thing as reindeers ? I though it was one reindeer, many reindeer, like sheep.
There is a Christmas magic with that train where the impossible happens. I noticed a complete carriage of mulled wine and a statement that there was no catering (which seems a contradiction) and an
HS2▸ power car on one end with an
IET▸ power car on the other - again a miracle from the Santa workshops.