This document discusses and compares large collective works from ancient Egypt and Central Asia. It describes the early monumental enclosures built at Abydos in Egypt, which preceded the pyramids, and estimates the labor required for their construction. Details are provided on pharaoh Djoser's complex at Saqqara, including reconstructed drawings. Labor estimates are also given for the Great Pyramids at Giza. In Central Asia, the document outlines early irrigation systems in Mesopotamia, showing a map of settlements and canals from the Early Dynastic and Akkadian periods. It includes a schematic of the irrigation system at Nippur from around 2000 BCE and a 1973 photo of annual canal cleaning in northern