What unites all the Pyramids of the World and Kailash?

What unites all the Pyramids of the World and Kailash? Hundreds of pyramids and pyramidal mountain complexes have been discovered all over the world. These are huge megalithic structures with surprisingly accurate orientation to the cardinal points. It is obvious that all of them are built according to some grand plan. What unites all the Pyramids of the World and Kailash? What unites all the Pyramids of the World and Kailash? What unites all the Pyramids of the World and Kailash?