History
Harsh Valecha · · 4 min
How Inca Road Builders Engineered Earthquake‑Resistant Bridges
The Inca empire’s road network spanned rugged Andes, and its stone bridges survived centuries of quakes thanks to clever engineering. This post uncovers the seismic‑proof techniques—flexible joints, trapezoidal arches, and natural‑material damping—that made Inca bridges a timeless marvel.
#Inca engineering
#earthquake resistance
#ancient bridges