Quilotoa@lemmy.ca to pics@lemmy.world · 1 day agoAll over the Sacred Valley are walls with stone joints so precise, you can't slip a piece of paper between them. This one is in the Inca town of Sacsayhuaman, Peru (yes, it is pronounced like that).lemmy.caimagemessage-square21fedilinkarrow-up1171arrow-down12
arrow-up1169arrow-down1imageAll over the Sacred Valley are walls with stone joints so precise, you can't slip a piece of paper between them. This one is in the Inca town of Sacsayhuaman, Peru (yes, it is pronounced like that).lemmy.caQuilotoa@lemmy.ca to pics@lemmy.world · 1 day agomessage-square21fedilink
minus-squareQuilotoa@lemmy.caOPlinkfedilinkarrow-up1·1 day agoOne theory is that the final step was that they mixed acid mine drainage with mud and applied that before setting the rock in place. This “dissolved” the minute bumps resulting in a perfect fit.
One theory is that the final step was that they mixed acid mine drainage with mud and applied that before setting the rock in place. This “dissolved” the minute bumps resulting in a perfect fit.