The Sumerian Ziggurat of Ur: Secrets and Curiosities of the "First Skyscraper"
- Edoardo La Monaca

- Sep 24, 2025
- 2 min read

The Ziggurat of Ur: The World's First Skyscraper
Do you know the first skyscraper in history? It's not located in New York, but in ancient Mesopotamia: it's the Ziggurat of Ur, built 4,000 years ago by the Sumerians. A building that hides incredible curiosities that few people know about.
A Giant of Bricks
The ziggurat had impressive dimensions: 62 meters long, 43 meters wide, and 25 meters high. To build it required approximately 720,000 clay bricks, each made by hand and sun-dried. Imagine the work: each brick weighed about 15 kg!
Ancient Architects' Tricks
The Sumerian builders were true geniuses. The walls weren't straight but tilted inward by 7 degrees, a trick that made the structure more stable and created an optical illusion that made it appear even taller and more imposing.
At the center of the ziggurat was a core of raw bricks held together with bitumen (like today's asphalt), while the exterior was covered with more resistant fired bricks. An ingenious technique to save precious materials.
Not Just a Temple
Many think ziggurats were only temples, but in reality they were multifunctional centers:
Warehouses for storing grain
Astronomical observatories for studying the stars
Water storage for emergencies
Defensive fortresses
Administrative offices for managing the city
Mind-Boggling Numbers
To build this colossus took approximately 1,500 workers who labored for 15 years under two different kings: Ur-Nammu who began the work in 2100 BC and his son Shulgi who completed it.
The workers weren't slaves but paid citizens, and they received daily rations of beer, bread, and onions. Beer was considered safer than water!
Surprising Details
The mysterious stairs: It had three ramps of stairs that met at the top, but strangely didn't lead to the center of the temple. Even today no one knows exactly why.
Perfect drainage: The Sumerians had built an internal drainage system to prevent rainwater from damaging the structure. Hydraulic engineering from 4,000 years ago!
Lost colors: Originally each floor was painted a different color - black, red, and blue - which represented the layers of the universe according to Sumerian cosmology.
The Secret of the Moon God
At the top of the ziggurat was the temple of the god Nanna (the Moon god). Only priests could climb up there, where it was believed that the god descended to earth during full moon nights. Common people could only look from below and imagine the mysteries that unfolded up there.
An Eternal Heritage
The Ziggurat of Ur has survived 4,000 years of history, wars, earthquakes, and sandstorms. Today it's still there, in southern Iraq, reminding us that human ingenuity can create marvels that cross millennia.
The next time you see a modern skyscraper, remember that it all began with the clay bricks of these ancient Sumerian architects.!



Comments