history: I went to see the great pyramids recently and I am blown away by them. It's incredible what humans are capable of. I visited the great pyramid recently. I'm amazed at what ancient humans were capable of building. Quite fascinating. Isn't it grand_comma_ I bet we no very little authentic information about them.
current: I wouldn't be surprised. While I do trust the experts, I'm sure there is a lot they don't know. It's still kind of a mystery as to how they built it.
next: I bet they are much older than we believe them to be.