Cuddy peered at the letters hacked deeply into the stone.
‘ “VIA CLOACA”,’ he said. ‘Hmm. Well, now … via is an old word for street or way. Cloaca means …’
He peered into the gloom.
‘This is a sewer,’ he said.
‘What that?’
‘It’s like … well, where do trolls dump their … rubbish?’ said Cuddy.
‘In street,’ said Detritus. ‘Hygienic.’
‘This is … an underground street just for … well, for crap,’ said Cuddy. ‘I never knew Ankh-Morpork had them.’
‘Maybe Ankh-Morpork didn’t know Ankh-Morpork had them,’ said Detritus.
‘Right. You’re right. This place is old. We’re in the bowels of the earth.’
‘In Ankh-Morpork even the shit have a street to itself,’ said Detritus, awe and wonder in his voice. ‘Truly, this a land of opportunity.’