How did they build world’s largest Florence’s massive dome 600 years ago without modern cranes? Brunelleschi used two connected shells, structural ribs and herringbone brickwork. Custom ox-powered machines lifted the materials while the dome supported itself as it rose. 🏛️

How did Roman roads survive for nearly 2,000 years? They weren’t just stones placed on soil. Roman builders excavated to firm ground, compacted layers of local stone and gravel, raised the road’s centre and added drainage. Their real secret? Controlling water. Follow for more