I'm a marble mason, correct term is anchors, these were cut then metal poured into them to anchor the stones to each other, modern times we use 3/16" copper or steel wire, drill holes ans set anchors in epoxy or casting plaster or white cement to hold pieces together or to anchor to subsurfaces. the oldest profession is masonry
To this day no one knows how the pre Inca formed the stones, even with modern tech their precise polygonal monolithic stonework can't be duplicated today, best theory I've heard is they used a sonic wave (sound) and water tech to soften the stone, then mushed them together before it hardened up, , Tesla was on to this, saying he had the ability to collapse a building with sonic waves, similar to microwave oven tech, by manipulating the stone atoms to temporarily loosen up and soften
I think she was pretty sexy looking in her college years, in her hippie dress and those big librarian glasses she wore, probably a good fuck and horny as a bitch dog in heat and she probably swallowed, why else would Bill hook up with her?
stone shelters and tools for hunter gatherers, farming came much later, still fascinated idiot?