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Do you know your River Fleet from your River Tyburn? Which line can you no longer catch from Aldwych Tube station? Under which government building might you find Henry VIII's wine cellar?

Join Londonist editor Matt Brown for an evening of subterranean puzzles and questions. We'll be poking around in abandoned cellars, buried rivers, hidden plague pits and forgotten Tube tunnels for a deep and dirty quiz on the capital's underground history. Come as a team or join/make a team on the night - a London-themed goody bag and other prizes are up for grabs.

Londonist is a website about London and everything that happens in it, with news, reviews and events. It provides all that you need to know about the capital as well as celebrating the quirks, eccentricities, hidden and surprising bits that make up the alternative side of the city.

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