Human beings are capable of constructing incredible structures. Today, many architects and engineers boast of designing cutting edge office blocks and other mega-projects. Sport arenas, monuments, and cathedrals are all a testament to our ability to build. In the modern world, though, we have the help of technology like laser cutting equipment and massive mechanical drills and cranes.
Builders in ancient times didn’t have these luxuries. So how they managed to build monolithic and precise structures is perplexing us to this day. We’ve compiled a list of the ten best ancient structures we still don’t understand.
10 The Nan Madol