Tum insuper alternis trabibus ex quattuor partibus angulos iugumentantes et ita parietes arboribus statuentes ad perpendiculum imarum educunt ad altitudinem turres, intervallaque, quae relinquuntur propter crassitudinem materiae, schidiis et luto obstruunt.
Then, laying upon them alternate beams from the four sides, they join up the angles. And so constructing the walls with trees, they raise up towers rising perpendicular from the lowest parts. The gaps which are left by the thickness of the timber they block up with splinters and clay.
final_alignments\Vitruvius_Architecture_Book_2.json