Is that Silver Nemesis on St Pancras station's rotating Christmas tree?
St Pancras's annual branded Christmas tree features a rotating glowing ballet dancer resembling Doctor Who's Silver Nemesis and raises funds for Great Ormond Street Hospital.
London's St Pancras station signs deal to increase Eurostar capacity
"Bosses at Eurostar and London's St Pancras station have signed a deal to increase capacity for the Eurostar, potentially removing one of the biggest obstacles to increases in UK-France train services."