London's St Pancras International has become the unlikely home of one of the UK's largest Christmas pyramids — a towering, tiered wooden carousel straight out of German tradition — assembled inside the station's Grade I listed Barlow Shed each December. If you've only ever seen these spinning candle-powered wonders as table-top ornaments, the station-sized version is a different experience entirely.

Christmas pyramids are a centuries-old custom from Germany's Ore Mountains (Erzgebirge), the wooden-toy heartland near the Czech border. Traditionally they were simple wooden frames with fans that turned when heat from candles rose past them, spinning tiers of nativity figures or miners and angels. The St Pancras edition takes that folk craft and blows it up to public-art scale: a multi-tier structure with carved figures, festive scenes and a rotating top, built from wood and assembled piece by piece on site ahead of the Christmas rush.

For commuters and travellers it's free to see, and it slots neatly into St Pancras' existing festive line-up — the station is already famous for its annual Christmas tree, hugely tall and usually sponsored with a splashy theme, plus occasional choir performances and pop-ups. The pyramid adds a distinctly European flavour to a station that, fittingly, is also the Eurostar terminus. Hop off a train from Paris or Brussels and you walk straight into a slice of German Christmas culture.

Why bother making a special trip? Partly for the setting. St Pancras is one of London's most beautiful stations — Victorian ironwork, brick arches, champagne bars — and it sits next to King's Cross with its own attractions, including the Harry Potter Platform 9¾ shop and the canals of Granary Square. Combine the pyramid with a wander through Coal Drops Yard, or use it as a launch point for a Christmas shopping day with Covent Garden and Oxford Street both an easy Tube ride away.

The pyramid generally stays up through the festive season into early January, and the station is open late, so evening visits work well — the structure is lit up and the crowds thin after the peak commute. There's no ticket needed and no queueing; it's the kind of festive sight you can catch in ten minutes between trains or linger over with a coffee from one of the station's many cafes.

For anyone visiting London in December, it's a genuinely worthwhile free stop: a bit of Saxon folk tradition plonked into a Victorian cathedral of rail, and one of the more photogenic Christmas displays in the capital. — Secret London