හවුල් ශ්‍රව්‍ය

Engineering techniques that even modern technology struggles to replicate. And the strangest part? Some of these structures are older than the civilizations that supposedly built them. Long before advanced tools. Long before organized societies. Take a moment and imagine the problem. How could early humans, using only primitive tools… cut, transport, and assemble stones that weigh more than a truck? Some researchers believe we are missing an important chapter of history.