เสียงที่ใช้ร่วมกัน

“This shouldn’t be possible…” “The Great Pyramid of Giza was built over 4,500 years ago…” “But its alignment is almost perfectly true north…” “More accurate than many modern buildings.” “It’s also made of millions of stone blocks…” “Some weighing several tons each.” “And they were placed with incredible precision…” “No machines… no modern tools…” [calm] “And we still don’t fully know how they did it.”