it is called the top of a pyramid
relics of ancient Egypt survived for thousand of years because they were built so stable in the first place. they spent so much time building them so massively.
Both the Egyptians and the Maya/Aztec built large pyramids with triangular sides and square bases.
Thousands of people were involved in the construction.
It was built for the Pharaoh Kuhfu, also known as Cheops who wanted it built for him when he died.
Khufu is most known for having built the greatest pyramid of all of Egypt and the most expansive building project in the history of Egypt.
Some complex institutions of Egypt include the emergence of a polytheistic religion, emergence of sacred lakes that they built, and the building of a miltary.
It is the Great Wall of China.
More correctly it is a 'Tetrahedron'. A Tetrahedron is a solid object with '4' (four) triangular faces. The Pyramids of Egypt are NOT tetrahedrons, because they have five(5) faces. made up of 4 triangular faces ( which you see) , and a SQUARE BAse (5th face) which they are built on.
The Pharaohs ordered the temples to be built in order to receive favours from the gods in the hope of bringing prosperity to Egypt. Architects, scribes, artisans and thousands of slaves did the actual work.
There have been several. Please provide more details such as when the project was built or its purpose.
The first dam was built more than 5000 years ago in Egypt. It was built in about 4000 B.C. to open an area for the building of the city of Memphis.
Building the statue of liberty took thousands of workers. It was built by the French, and sent over seas to America.