Great Pyramid Being Build

great pyramid,great pyramid of giza,pyramids,pyramid,the great pyramid,great pyramids,the great pyramid of giza,pyramids of egypt,did khufu build the great pyramid,how did they build the great pyramid,who built the great pyramid?,egyptian pyramids,how the great pyramid was built,how they built the great pyramid,how did the egyptians build the great pyramid,giza pyramids,clues for how the great pyramid was built,pyramids of giza