Tickets Alert: Visit the bascule chambers underneath Tower Bridge

Deep under Tower Bridge lies a vast cathedral sized space that almost seems larger than it can be, and during the winter months, the public can go inside for a look.
Tower Bridge bascule chamber (c) ianVisits
This is one of two large bascule chambers and is basically where the heavy counterweight swings into when the bridge opens to let boats pass through. But not when you’re standing in it — and that’s why tours take place during the winter, when fewer boats ply the Thames.
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