Watch the festive @heathrowexpress Christmas advert, filmed in the Chambers Club at @stpancrasren. This spot stars the legendary Sir Ranulph Fiennes, as he departs on an adventure of exploration and discovery - starting at the St. Pancras Renaissance hotel! 🚂🚂🚂 #stpancrasren #kingscross #heathrow #festiveexpress #christmasadvert #london #travel #ranulphfiennes #magicofchristmas