Si ergo in his locis aquarum ferventes inveniuntur fontes et omnibus excavatis calidi vapores ipsaque loca ab antiquis memorantur pervagantes in agris habuisse ardores, videtur esse certum ab ignis vehementia ex tofo terraque, quemadmodum in fornacibus et a calce, ita ex his ereptum esse liquorem.
If, therefore, in these places there are found hot springs, and in all excavations, warm vapours, and if the very places are related by the ancients to have had fires ranging over the fields, it seems to be certain that by the violence of fire, moisture has been removed from the tufa and earth just as from lime in kilns.
final_alignments\Vitruvius_Architecture_Book_2.json