Make your own styrofoam archways, or take the easy route with ready-to-use kits. Grab a pre-made arch (such as this drywall kit from theSimpleARCH), and you can seamlessly integrate a rounded ...

Iconic structures such as the Colosseum, the Pantheon, and Roman aqueducts exemplify Roman ingenuity in using materials like concrete and implementing advanced techniques, such as the arch and the ...