In today's largest construction sites and quarries huge megamachines are used to dig, cut and lift stone. These man-made creatures dwarf their creators and perform the work of thousands of men, using modern hydraulic technologies. Without such equipment builders could never construct modern skyscrapers Yet thousands of years ago ancient civilizations were accomplishing the same work while constructing their monuments and temples using massive stones. These enormous blocks, many weighing in excess of 100 tons would be a challenge even for today's engineers. Yet, thousands of years ago, people cut them out of solid rock, transported them for miles and then lifted them precisely into place. But how? Did they cut this massive stone blocks with hammers, chisels and copper wire, as mainstream archeologists suggest? Could they have lifted and transported them without a pulley system, or the wheel? Or did ancient civilizations possess advanced technologies that have since been lost to science? At Giza, you just don't have the pyramids. Linked to the pyramids are what Egyptologists call Valley Temples. It doesn't take a rocket engineer that when you go there there is something not quite right here. Whereas the pyramids are built with blocks of two to three tons these temples which are minĂște compared to the pyramids, are built with blocks of 100 tons and some of them 200 tons Let me tell you what a 100 ton block is, If you take a 100 family cars and you squeeze them together, you get one of these blocks. First of all, Let alone how they moved these blocks? Is why would they want to use 100 ton blocks? It simply doesn't make sense. There is no reason for them to wanna build out of granite blocks the size of a semitruck. It's like, Okay, Let's do something but lets do it as difficult as we could possibly do it. The reason why I am convinced that sophisticated technology was utilized in these ancient rocks is because if we go to a stone guarry today and look at the scope of machinery required to accomplish similar things. Those machines are huge! (Explosion) (Narrator) Subscribers to anchient alien theory do not believe extra terrestrials built these amazing monuments. But instead provided some type of technological know-how or tools to our ancestors. Engineering expert, Chris Dunn, has spend several decades researching the construction tools used by the ancient Egyptians. We're normally taught by Egyptologists that the ancient Egyptians had simple tools. They went to work every day using stone balls, copper chisels or copper tube and sand to grind holes in, in diorite and granite, extremely hard rock. From what I have actually gathered over the years, is information that seems to actually argue against that notion, that they had simple tools. (Narrator) In Egypt, Dunn was able to examine ancient sights firsthand. What he found has proved to be both revolutionary and contraversial, (Dunn) If you look at the Giza Plateau and all the stones that they actually placed in the Great Pyramid and Khafre's Pyramid, Menkaure's Pyramid, two and a half million blocks of stone in the Great Piramide alone. They had to have some efficient means of cutting them to size and putting them into place. They had to have had somebody on site Who's saying, "Okay, I need a block this size." And then getting a block to them that size, Stat, like immediately. (Narrator) While searching several miles north of Giza, at Abu Rawash, Dunn stumbled upon a clue when he spotted a granite block containing a deep cut. (Dunn) When I first saw it, I just didn't know what to make of it. And it was only after puzzling over it for days, and sometimes waking up at 3 o'clock in the morning scratching my head, I'm thinking: "Well, how did they make this cut?" And finally, to realize that the only way that they could have actually cut that thing was with a saw that was 35 feet in diameter. (Narrator) The idea that ancient Egyptians used giant saws provoked much resistance from mainstream archeologists. Dunn, however, was convinced. (Dunn) As a ex-machinist, I look for tool marks. I look for them everywhere I go. And I could be accused of, "Well, you know, if you're gonna to look for something, you're probably gonna find it because you're looking at it through a certain filter." Accepted, I agree. But the question is: Why is it there? Clearly, to me, that is a machine mark but there were no machines back then. So what, what do I do? I just go looking for more machine marks and they're all over the place. You find them on statues, you'll find them, particularly, in the Luxor Museum. There seems to be an impression on the side of Amon's buttock where it meets the bench where there is an undercut, it was a slip of a tool and therefore, it must have been a tool that was quite efficient. (Narrator) Dunn also believes that the large depressions in the ground at Giza is not boat pits, as claimed by mainstream archeologists but were actually used to hold the 35 foot saws. I speculate that they were actually saw pits, the saws were mounted in these pits and then they ran the blocks through the saws before they put them in the Great Pyramid. (Sinister music)