Sin autem, hypogea concamarationesque instituentur, fundationes eorum fieri debent crassiores, quam quae in superioribus aedificiis structurae sunt futurae.
But if there are spaces underground and vaulted cellars, the foundations must be wider than the structures in the upper parts of the building.
final_alignments\Vitruvius_Architecture_Book_6.json