Great Pyramid of Giza

The pyramid is built with about 2.3 million limestone blocks, most of which weigh 2.5 tons.

An excerpt from the article 23 facts about Great Pyramid of Giza
The technological processes used during construction has not been explained to this day. According to calculations, to build the Pyramid of Khufu workers used:
  • 5,5 million tons of limestone,
  • 8 thousand tons of Aswan granite,
  • 500 thousand tons of mortar