Hoc autem fieri hac ratione videtur, quod sub his montibus et terrae ferventes sunt et fontes crebri, qui non essent si non in imo haberent aut e sulpure aut alumine aut bitumine ardentes maximos ignes.
Now this seems to happen for this reason: that under these mountainous regions there are both hot earth and many springs. And these would not be unless deep down they had huge blazing fires of sulphur, alum or pitch.
final_alignments\Vitruvius_Architecture_Book_2.json