证实人类早在数千年前就知道如何制作混凝土,所以大卫杜维斯的论断颇为可信。但更多的学者则对此提出了质疑,他们说:既然开罗附近有许多花岗岩山丘,那么,古埃及人为什么要舍此而去用一种复杂的操作方法来制造那难以数计的石头?РMore and more evidence that pyramid is the ancient egyptians built?越来越多证据表明金字塔是古埃及人建造的РHowever, more and more evidence that pyramid is indeed the ancient egyptians built, at that time it must focus on the ancient all the wisdom of the egyptians, because it needs to solve the problem of the is certainly a lot. But these problems are solved, pyramid to fix it, and stands for more than 4000 years, this is itself a wonders. So can say the pyramid is the people's crystallization of the wisdom of ancient Egypt, the ancient Egyptian civilization symbol.Р不过,越来越多的证据表明,金字塔确确实实是古埃及人建造的,当时一定集中了古代埃及人的所有聪明才智,因为它需要解决的难题肯定是很多的。但是这些问题都解决了,金字塔修起来了,而且屹立了4000多年,这本身就是一大奇迹。所以可以说金字塔是古代埃及人民智慧的结晶,是古代埃及文明的象征。