the.com/masonry
Stacking rocks so cleverly that gravity becomes your unpaid construction worker.
no mortarInca walls hold tight without a drop of cement
pyramid math2.3 million blocks, each averaging two and a half tons
secret societyFreemasons borrowed the toolkit, kept the handshakes
fire-proofStone shrugs off flames that flatten timber towns
arch trickA keystone turns crushing weight into standing strength