Sin autem loca dura erunt aut nimium venae penitus fuerint, tunc signinis operibus ex tectis aut superioribus locis excipiendae sunt copiae.
But if the locality is stony, or if the veins of water lie too deep, then supplies are to be collected from the roofs or higher ground in cement cisterns.
final_alignments\Vitruvius_Architecture_Book_8.json