5000 Year-old Jiroft Civilization

As you can read here: The invention of writing The earliest writings are a set of clay tablets found at Tepe Yahya in southern Iran (Jiroft), These tablets are inscribed in proto-Elamite, and radio-carbon dating of organic remains associated with the tablets shows them to be from about 3,600 B.C.. In about 3,100 B.C. the cuneiform script was developed, and later Mesopotamian tablets are written in cuneiform, which is a phonetic script where the symbols stand for syllables.

The largest Egyptian Pyramid vs Ziggurat of Jiroft

More about Jiroft Civilization:

5000 Year-old Jiroft Civilization Was Overpopulated

Elamite Inscription Found on 5000-Year-old Jiroft Brick

Five Ancient Game Boards Identified among Jiroft Relics

Some 600,000 Ancient Potsherds Identified in Jiroft

Jiroft Lived on Developed Agriculture 5000 Years Ago

Industrial Center Found in Jiroft

Jiroft was an international trade center 5000 years ago

Jiroft a Key Business Hub

Jiroft Ancient Quarries

Sea Animals Remains Show Jiroft People Had Business with Persian Gulf

Adobe Find in Jiroft Offers Evidence of Rich Civilization

I doubt that modern people of Jiroft can make these things that their ancestors made 5000 years ago:

This would be a major historical development. First, it would replaces Sumerian with these guys as the oldest civilization on earth and second gives them some of the biggest structures in ancient world which begs the question why we have not seen more about this in the mainstream media