Differences of Stonehenge and Great Pyramid of Giza?

Question: Need Help! Similarities/Differences of Stonehenge and Great Pyramid of Giza!?

I have to give a presentation tonight, and its on the Similarities/Differences of Stonehenge and the Great Pyramid of Giza!. I already have a lot of differences down, but I need to know some similarities!? Feel free to expand/agree/disagree on my thoughts I have listed below!

Similarities:
They were both made of stone
Tons of manpower
Took a long time to build
Www@QuestionHome@Com

Best Answer - Chosen by Asker:

Both were precisely aligned astronomically
Both are architectual masterpieces that even today with computers and machines would be VERY hard to construct
Both had religious significance
Both have stood the test of time and will most likely still be standing in another 1000 years

I'll try to think of some moreWww@QuestionHome@Com

pyramid guys were mean to me!. stonehenge people had good food at craft table!. many breaks!. Www@QuestionHome@Com

both were most likely considered sacredWww@QuestionHome@Com