The lights came on in sequence, each strip illuminating a further recess of the arched brick cellar. Two parallel vaults, both empty. Brick and mortar dust, faded chalk scrawls. We were in Dublin’s Fitzwilliam Lane, under a medical centre. The tunnels ended on the fringes of Merrion Square, once the most fashionable address in the city.
If you want to know about the rise and...